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Honors Physics Study Guide Questions

Course Introduction

Honors Physics is an advanced course designed for students seeking a rigorous and comprehensive understanding of the fundamental principles governing the physical universe. The curriculum covers topics including classical mechanics, thermodynamics, electricity and magnetism, waves, optics, and modern physics, with a strong emphasis on problem-solving, critical thinking, and experimental methods. Students will analyze real-world phenomena, conduct laboratory investigations, and apply mathematical models to explain and predict physical behaviors, preparing them for further studies in science and engineering fields.

Recommended Textbook Physics for Scientists and Engineers Technology Update 9th Edition Raymond A. Serway

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46 Chapters

2629 Verified Questions

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Page 2

Chapter 1: Physics and Measurement

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Sample Questions

Q1) John and Linda are arguing about the definition of density.John says the density of an object is proportional to its mass.Linda says the object's mass is proportional to its density and to its volume.Which one,if either,is correct?

A)They are both wrong.

B)John is correct,but Linda is wrong.

C)John is wrong,but Linda is correct.

D)They are both correct.

E)They are free to redefine density as they wish.

Answer: D

Q2) What is the mass of air in a room that measures 5.0 m × 8.0 m × 3.0 m? (The density of air is 1/800 that of water).

Answer: 150 kg

Q3) The basic function of a carburetor of an automobile is to atomize the gasoline and mix it with air to promote rapid combustion.As an example,assume that 30 cm3 of gasoline is atomized into N spherical droplets,each with a radius of 2.0 × 10 5 m.What is the total surface area of these N spherical droplets?

Answer: 45000 cm2

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Chapter 2: Motion in One Dimension

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Sample Questions

Q1) An object moving on the x axis with a constant acceleration increases its x coordinate by 80 m in a time of 5.0 s and has a velocity of +20 m/s at the end of this time.Determine the acceleration of the object during this motion.

A) 1.6 m/s2

B)+6.4 m/s2

C)+1.6 m/s2

D) 2.0 m/s2

E) 6.4 m/s2

Answer: C

Q2) In 20 minutes,Kara ran 2.40 km on a treadmill facing due east.Relative to the gym,what were her displacement and average velocity during this time interval?

A)0;0

B)0;2.00 m/s

C)2.40 km,east;0

D)2.40 km,east;2.00 m/s,east

E)2.40 km,west;2.00 m/s,west

Answer: A

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Page 4

Chapter 3: Vectors

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Sample Questions

Q1) Starting from one oasis,a camel walks 25 km in a direction 30° south of west and then walks 30 km toward the north to a second oasis.What is the direction from the first oasis to the second oasis?

A)21° N of W

B)39° W of N

C)69° N of W

D)51° W of N

E)42° W of N

Answer: D

Q2) The rectangular coordinates of a point are (5.00,y)and the polar coordinates of this point are (r,67.4°).What is the value of the polar coordinate r in this case?

A)1.92

B)4.62

C)12.0

D)13.0

E)More information is needed.

Answer: D

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Chapter 4: Motion in Two Dimensions

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Sample Questions

Q1) At the lowest point in a vertical dive (radius = 0.58 km),an airplane has a speed of 300 km/h which is not changing.Determine the magnitude of the acceleration of the pilot at this lowest point.

A)26 m/s2

B)21 m/s2

C)16 m/s2

D)12 m/s2

E)8.8 m/s2

Q2) A rifle is aimed horizontally at the center of a large target 60 m away.The initial speed of the bullet is 240 m/s.What is the distance from the center of the target to the point where the bullet strikes the target?

A)48 cm

B)17 cm

C)31 cm

D)69 cm

E)52 cm

Q3) Wiley Coyote has missed the elusive roadrunner once again.This time,he leaves the edge of the cliff at 50.0 m/s horizontal velocity.If the canyon is 100 m deep,how far from the edge of the cliff does the coyote land?

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Page 6

Chapter 5: The Laws of Motion

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Sample Questions

Q1) A box rests on the (horizontal)back of a truck.The coefficient of static friction between the box and the surface on which it rests is 0.24.What maximum distance can the truck travel (starting from rest and moving horizontally with constant acceleration)in 3.0 s without having the box slide?

A)14 m

B)11 m

C)19 m

D)24 m

E)29 m

Q2) A 2000-kg sailboat experiences an eastward force of 3000 N by the ocean tide and a wind force against its sails of magnitude 6000 N directed toward the northwest (45° N of W).What is the magnitude and direction of the resultant acceleration?

Q3) The frictional force of the floor on a large suitcase is least when the suitcase is

A)pushed by a force parallel to the floor.

B)dragged by a force parallel to the floor.

C)pulled by a force directed at an angle above the floor.

D)pushed by a force directed at an angle into the floor.

E)turned on its side and pushed by a force parallel to the floor.

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Chapter 6: Circular Motion and Other Applications of

Newtons Laws

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Sample Questions

Q1) A race car traveling at 100 m/s enters an unbanked turn of 400 m radius.The coefficient of (static)friction between the tires and the track is 1.1.The track has both an inner and an outer wall.Which statement is correct?

A)The race car will crash into the outer wall.

B)The race car will crash into the inner wall.

C)The car will stay in the center of the track.

D)The car will stay in the center of the track if the driver speeds up.

E)The car would stay in the center of the track if the radius were reduced to 200 m.

Q2) A hornet circles around a pop can at increasing speed while flying in a path with a 12-cm diameter.We can conclude that the hornet's wings must push on the air with force components that are

A)straight down.

B)down and inwards.

C)down and outwards.

D)down and backwards.

E)down,backwards and outwards.

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Chapter 7: Energy of a System

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Sample Questions

Q1) If the scalar (dot)product of two vectors is negative,it means that

A)there was a calculator error.

B)the angle between the vectors is less than 90 degrees.

C)the angle between the vectors is 90 degrees.

D)the angle between the vectors is greater than 270 degrees.

E)the angle between the vectors is between 90 and 180 degrees.

Q2) The force an ideal spring exerts on an object is given by Fx = kx,where x measures the displacement of the object from its equilibrium (x = 0)position.If k = 60 N/m,how much work is done by this force as the object moves from x = 0.20 m to x = 0?

A) 1.2 J

B)+1.2 J

C)+2.4 J

D) 2.4 J

E)+3.6 J

Q3) A baseball outfielder throws a baseball of mass 0.15 kg at a speed of 40 m/s and initial angle of 30°.What is the kinetic energy of the baseball at the highest point of the trajectory?

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Page 9

Chapter 8: Conservation of Energy

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Sample Questions

Q1) A particle is acted upon by only two forces,one conservative and one nonconservative and neither being a force of friction,as it moves from point A to point

B.The kinetic energies of the particle at points A and B are equal if

A)the sum of the works of the two forces is zero.

B)the work of the conservative force is equal to the work of the nonconservative force.

C)the work of the conservative force is zero.

D)the work of the nonconservative force is zero.

E)None of the above.

Q2) A 2.0-kg block slides down a plane (inclined at 40° with the horizontal)at a constant speed of 5.0 m/s.At what rate is the gravitational force on the block doing work?

A)+98 W

B)+63 W

C)zero

D)+75 W

E) 75 W

Q3) A 70-kg high jumper leaves the ground with a vertical velocity of 6.0 m/s.How high can he jump?

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Chapter 9: Linear Momentum and Collisions

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Sample Questions

Q1) A ball falls to the ground from height h and bounces to height h'.Momentum is conserved in the ball-earth system

A)no matter what height h' it reaches.

B)only if h' < h.

C)only if h' = h.

D)only if h' > h.

E)only if h' h.

Q2) A 2.0-kg object moving 5.0 m/s collides with and sticks to an 8.0-kg object initially at rest.Determine the kinetic energy lost by the system as a result of this collision.

A)20 J

B)15 J

C)30 J

D)25 J

E)5.0 J

Q3) High-speed stroboscopic photographs show that the head of a golf club of mass 200 grams is traveling at 55.0 m/s just before it strikes a 46.0-gram golf ball at rest on a tee.After the collision,the clubhead travels (in the same direction)at 40.0 m/s.Find the speed of the golf ball just after impact.

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Chapter 10: Rotation of a Rigid Object About a Fixed Axis

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Sample Questions

Q1) A wheel rotates about a fixed axis with an initial angular velocity of 20 rad/s.During a 5.0-s interval the angular velocity increases to 40 rad/s.Assume that the angular acceleration was constant during the 5.0-s interval.How many revolutions does the wheel turn through during the 5.0-s interval?

A)20 rev

B)24 rev

C)32 rev

D)28 rev

E)39 rev

Q2) A wheel rotating about a fixed axis with a constant angular acceleration of 2.0 rad/s2 starts from rest at t = 0.The wheel has a diameter of 20 cm.What is the magnitude of the total linear acceleration of a point on the outer edge of the wheel at t = 0.60 s?

A)0.25 m/s2

B)0.50 m/s2

C)0.14 m/s2

D)0.34 m/s2

E)0.20 m/s2

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Chapter 11: Angular Momentum

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Sample Questions

Q1) A top is set spinning so that the rotation is counterclockwise around its axis when viewed from above.When the top is placed on a level surface it happens that its axis of rotation is not quite vertical.Viewed from above,which way does the rotational axis of the top precess?

A)clockwise

B)counterclockwise

C)It's random,if it starts clockwise it will continue clockwise,and vice versa,i.e.,a 50% chance either way.

D)The direction depends on the little shove given to the axis when the top is placed on the surface.

E)In the northern hemisphere it will be clockwise,in the southern hemisphere it will be counterclockwise.

Q2) What is the angular momentum of the moon about the Earth? The mass of the moon is 7.35 × 1022 kg,the center-to-center separation of the Earth and the moon is 3.84 × 105 km,and the orbital period of the moon is 27.3 days.Ignore the small offset of the center of mass of the system from the center of the Earth in your calculation.

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Chapter 12: Static Equilibrium and Elasticity

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Sample Questions

Q1) A uniform ladder 15 ft long is leaning against a frictionless wall at an angle of 53° above the horizontal.The weight of the ladder is 30 pounds.A 75-lb boy climbs 6.0-ft up the ladder.What is the magnitude of the friction force exerted on the ladder by the floor?

A)43 lb

B)34 lb

C)38 lb

D)47 lb

E)24 lb

Q2) A non-uniform meter stick is found to balance on a knife edge at the 60-cm mark.Where is the center of gravity of the meter stick?

A)at the 40-cm mark

B)at the 45-cm mark

C)at the 50-cm mark

D)at the 55-cm mark

E)at a position not given

Q3) For safety in climbing,a mountaineer uses a 50-m long nylon rope that is 1.0 cm in diameter.When supporting a 90-kg climber,the rope elongates 1.6 m.Find the Young's modulus for the rope material.

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Chapter 13: Universal Gravitation

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Sample Questions

Q1) Two stars of masses M and 6M are separated by a distance D.Determine the distance (measured from M)to a point at which the net gravitational force on a third mass would be zero.

A)0.41 D

B)0.33 D

C)0.37 D

D)0.29 D

E)0.14 D

Q2) An object is released from rest when it is a height h above the surface of a planet of mass M and radius R.What is the speed of the object just before striking the surface of the planet? Neglect any air resistance.Let h = 4.0 × 106 m,R = 5.0 × 106 m,and M = 4.0 × 1024 kg.

A)7.8 km/s

B)3.5 km/s

C)5.4 km/s

D)6.9 km/s

E)4.8 km/s

Q3) When a falling meteor is at a distance above the Earth's surface of 3 times the Earth's radius,what is its acceleration due to the Earth's gravity?

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Page 15

Chapter 14: Fluid Mechanics

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Sample Questions

Q1) A natural gas pipeline with a diameter 0.250 m delivers 1.55 cubic meters of gas per second.What is the flow speed of the gas in the pipeline?

Q2) A cube of water ice ( = 0.917 × 103 kg/m3)is placed in mercury ( = 13.6 × 103 kg/m3),which is liquid at 0° Celsius.If we ignore any possible melting of the ice cube and problems with the surface tension of mercury,the fraction of the ice cube that floats above the surface of the mercury is

A)0.067 4.

B)0.073 5.

C)0.926.

D)0.933.

E)1.00.

Q3) How much power is theoretically available from a mass flow of 1 000 kg/s of water when it falls a vertical distance of 100 meters?

A)980 kW

B)98 kW

C)4 900 W

D)980 W

E)9 600 W

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Page 16

Chapter 15: Oscillatory Motion

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Sample Questions

Q1) A body oscillates with simple harmonic motion along the x axis.Its displacement varies with time according to the equation x = 5.0 sin ( t + /3).The velocity (in m/s)of the body at t = 1.0 s is

A)+7.9

B) 7.9

C) 14

D)+14

E) 5.0

Q2) A body oscillates with simple harmonic motion along the x axis.Its displacement varies with time according to the equation x = 5.0 cos ( t).The magnitude of the acceleration (in m/s2)of the body at t = 1.0 s is approximately

A)3.5

B)49

C)14

D)43

E)4.3

Q3) An archer pulls her bow string back 0.40 m by exerting a force that increases uniformly from zero to 240 N.What is the equivalent spring constant of the bow,and how much work is done in pulling the bow?

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Page 17

Chapter 16: Wave Motion

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Sample Questions

Q1) If y = 0.02 sin (30x 400t)(SI units),the frequency of the wave is

A)30 Hz

B)15/ Hz

C)200/ Hz

D)400 Hz

E)800 Hz

Q2) Refer to Exhibit 16-3.Rank the wave functions in order of the magnitude of the wavelengths,from least to greatest.

A)IV,II,I,III

B)IV,I,II,III

C)I,II,III,IV

D)IV,II,III = I

E)I = III,II,IV

Q3) If y = 0.02 sin (30x 400t)(SI units),the wave number is

A)30 rad/m

B)30/2 rad/m

C)400/2 rad/m

D)400 rad/m

E)60 rad/m

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Chapter 17: Sound Waves

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Sample Questions

Q1) Calculate the intensity level in dB of a sound wave that has an intensity of 15 × 10 4 W/m2.

A)20

B)200

C)92

D)9

E)10

Q2) A stone is thrown into a quiet pool of water.With no fluid friction,the amplitude of the waves falls off with distance r from the impact point as

A)1/r3

B)1/r2

C)1/r3/2

D)1/r1/2

E)1/r

Q3) When a workman strikes a steel pipeline with a hammer,he generates both longitudinal and transverse waves.The two types of reflected waves return 2.4 s apart.How far away is the reflection point? (For steel,vL = 6.2 km/s,vT = 3.2 km/s)

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Chapter 18: Superposition and Standing Waves

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Sample Questions

Q1) A fire engine approaches a wall at 5 m/s while the siren emits a tone of 500 Hz frequency.At the time,the speed of sound in air is 340 m/s.How many beats per second do the people on the fire engine hear?

A)0

B)15

C)29

D)63

E)250

Q2) An organ pipe open at both ends has a radius of 4.0 cm and a length of 6.0 m.What is the frequency (in Hz)of the third harmonic? (Assume the velocity of sound is 344 m/s. )

A)76

B)86

C)54

D)28

E)129

Q3) A student wants to establish a standing wave on a wire 1.8 m long clamped at both ends.The wave speed is 540 m/s.What is the minimum frequency she should apply to set up standing waves?

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Chapter 19: Temperature

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Sample Questions

Q1) The pressure of a substance is directly proportional to its volume when the temperature is held constant and inversely proportional to its temperature when the volume is held constant.Is this substance an ideal gas? Explain why your answer is correct.

Q2) At which of the following temperatures would one liter of water weigh the most?

A)2°C

B)4°C

C)8°C

D)90°C

E)It would weigh the same at all these temperatures.

Q3) Two thermometers are calibrated,one in degrees Celsius and the other in degrees Fahrenheit.At what temperature (in kelvins)do their readings measure the same temperature?

A)218.15

B)233.15

C)273.15

D)40.15

E)0

Q4) At what Fahrenheit temperature are the Kelvin and Fahrenheit temperatures numerically equal?

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Chapter 20: The First Law of Thermodynamics

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Sample Questions

Q1) In a thermodynamic process,the internal energy of a system in a container with adiabatic walls decreases by 800 J.Which statement is correct?

A)The system lost 800 J by heat transfer to its surroundings.

B)The system gained 800 J by heat transfer from its surroundings.

C)The system performed 800 J of work on its surroundings.

D)The surroundings performed 800 J of work on the system.

E)The 800 J of work done by the system was equal to the 800 J of heat transferred to the system from its surroundings.

Q2) If an object feels cold to the touch,the only statement that you can make that must be correct is that

A)the object has a smaller coefficient of thermal conductivity than your hand.

B)the volume of the object will increase while it is in contact with your hand.

C)the object contains less thermal energy than your hand.

D)the object is at a lower temperature than your hand.

E)the object cannot be a liquid.

Q3) How much water at 20°C is needed to melt 1 kilogram of solid mercury at its melting point of 39°C? (The heat of fusion of mercury is 2.8 cal/gram).

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Chapter 21: The Kinetic Theory of Gases

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Q1) A container having a volume of 1.0 m3 holds 5.0 moles of helium gas at 50°C.If the helium behaves like an ideal gas,the total energy of the system is

A)2.0 × 104 J.

B)2.5 × 104 J.

C)1.7 × 103 J.

D)1.5 × 103 J.

E)4.0 × 104 J.

Q2) Nitrogen gas is heated by a pulsed laser to 50 000 K.If the diameter of the nitrogen atoms is assumed to be 1.0 × 10 10 m,and the pressure is 1.0 atm,what is the mean free path?

A)1.5 × 10 4 m

B)1.5 × 10 7 m

C)1.5 × 10 10 m

D)1.5 × 10 14 m

E)1.5 × 10 2 m

Q3) One mole of helium gas expands adiabatically from 2 atm pressure to 1 atm pressure.If the original temperature of the gas is 20°C,what is the final temperature of the gas? ( = 1.67)

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Chapter 22: Heat Engines, entropy, and the Second Law of

Thermodynamics

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Q1) On a cold day,a heat pump absorbs heat from the outside air at 14°F ( 10°C)and transfers it into a home at a temperature of 86°F (30°C).Determine the maximum of the heat pump.

A)0.2

B)4.4

C)0.5

D)7.6

E)6.7

Q2) A refrigerator has a coefficient of performance of 4.If the refrigerator absorbs 30 cal of heat from the cold reservoir in each cycle,the heat expelled (in cal)into the heat reservoir is

A)40.5

B)37.5

C)36.5

D)34.5

E)22.5

Q3) Every second at Niagara Falls,some 5000 m3 of water falls a distance of 50 m.What is the increase in entropy per second due to the falling water? (Assume a 20°C environment).

Page 24

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Chapter 23: Electric Fields

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Sample Questions

Q1) Three point charges,two positive and one negative,each having a magnitude of 20 C are placed at the vertices of an equilateral triangle (30 cm on a side).What is the magnitude of the electrostatic force on the negative charge?

A)80 N

B)40 N

C)69 N

D)57 N

E)75 N

Q2) Rubber rods charged by rubbing with cat fur repel each other.Glass rods charged by rubbing with silk repel each other.A rubber rod and a glass rod charged respectively as above attract each other.A possible explanation is that

A)Any two rubber rods charged this way have opposite charges on them.

B)Any two glass rods charged this way have opposite charges on them.

C)A rubber rod and a glass rod charged this way have opposite charges on them.

D)All rubber rods always have an excess of positive charge on them.

E)All glass rods always have an excess of negative charge on them.

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Chapter 24: Gausss Law

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Sample Questions

Q1) A long nonconducting cylinder (radius = 12 cm)has a charge of uniform density (5.0 nC/m3)distributed throughout its column.Determine the magnitude of the electric field 5.0 cm from the axis of the cylinder.

A)25 N/C

B)20 N/C

C)14 N/C

D)31 N/C

E)34 N/C

Q2) The xy plane is "painted" with a uniform surface charge density which is equal to 40 nC/m2.Consider a spherical surface with a 4.0-cm radius that has a point in the xy plane as its center.What is the electric flux through that part of the spherical surface for which z > 0?

A)14 N m2/C

B)11 N m2/C

C)17 N m2/C

D)20 N m2/C

E)23 N m2/C

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Page 26

Chapter 25: Electric Potential

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Sample Questions

Q1) Charge of uniform density 90 nC/m3 is distributed throughout the inside of a long nonconducting cylindrical rod (radius = 2.0 cm).Determine the magnitude of the potential difference of point A (2.0 cm from the axis of the rod)and point B (4.0 cm from the axis).

A)1.9 V

B)1.4 V

C)2.2 V

D)2.8 V

E)4.0 V

Q2) A charge of 20 nC is distributed uniformly along the x axis from x = 2.0 m to x = +2.0 m.What is the electric potential (relative to zero at infinity)at the point x = 5.0 m on the x axis?

A)57 V

B)48 V

C)38 V

D)67 V

E)100 V

Q3) In the Bohr model of the hydrogen atom,the electron circles the proton at a distance of 0.529 × 10 10 m.Find the potential at the position of the electron.

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Page 27

Chapter 26: Capacitance and Dielectrics

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Q1) Regarding the Earth and a cloud layer 800 m above the Earth as the "plates" of a capacitor,calculate the capacitance if the cloud layer has an area of 1.0 km2.If an electric field of 2.0 × 106 N/C makes the air break down and conduct electricity (lightning),what is the maximum charge the cloud can hold?

Q2) When a capacitor has a charge of magnitude 80 C on each plate the potential difference across the plates is 16 V.How much energy is stored in this capacitor when the potential difference across its plates is 42 V?

A)1.0 mJ

B)4.4 mJ

C)3.2 mJ

D)1.4 mJ

E)1.7 mJ

Q3) Is it feasible to construct an air-filled parallel-plate capacitor that has its two plates separated by 0.10 mm and has a capacitance of 1.0 F? Why or why not?

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Chapter 27: Current and Resistance

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Q1) What is the resistance of 1 000 m of 4-mm diameter copper wire? ( Cu = 1.7 × 10-8 m)

Q2) A rod of 2.0-m length and a square (2.0 mm × 2.0 mm)cross section is made of a material with a resistivity of 6.0 × 10 8 m.If a potential difference of 0.50 V is placed across the ends of the rod,at what rate is heat generated in the rod?

A)3.0 W

B)5.3 W

C)8.3 W

D)1.3 W

E)17 W

Q3) A copper cable is to be designed to carry a current of 300 A with a power loss of only 2.0 watts per meter.What is the required radius of the copper cable? (The resistivity of copper is 1.7 × 10 8 m. )

Q4) A small bulb is rated at 7.5 W when operated at 125 V.Its resistance (in ohms)is

A)0.45.

B)7.5.

C)17.

D)940.

E)2 100.

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Chapter 28: Direct-Current Circuits

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Q1) The battery is disconnected from a series RC circuit after the capacitor is fully charged and is replaced by an open switch.When the switch is closed,

A)the current through the resistor is always greater than the current through the capacitor.

B)the current through the resistor is always less than the current through the capacitor.

C)the current through the resistor is always equal to the current through the capacitor.

D)the capacitor does not allow current to pass.

E)the current stops in the resistor.

Q2) A resistor of unknown resistance and a 15- resistor are connected across a 20-V emf in such a way that a 2.0 A current is observed in the emf.What is the value of the unknown resistance?

A)75

B)12

C)7.5

D)30

E)5.0

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Chapter 29: Magnetic Fields

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Q1) Equal charges,one at rest,the other having a velocity of 104 m/s,are released in a uniform magnetic field.Which charge has the largest force exerted on it by the magnetic field?

A)The charge that is at rest.

B)The charge that is moving,if its velocity is parallel to the magnetic field direction when it is released.

C)The charge that is moving if its velocity makes an angle of 45o with the direction of the magnetic field when it is released.

D)The charge that is moving if its velocity is perpendicular to the magnetic field direction when it is released.

E)All the charges above experience equal forces when released in the same magnetic field.

Q2) A magnetic field of 2.00 T is applied to a bubble chamber to make the tracks of protons and other charged particles identifiable by the radius of the circles they move in.If a high-energy proton moves along an arc of a 3.30-m circle,what is the momentum of the proton? [q = 1.60 × 10 19 C,m = 1.67 × 10 27 kg]

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Chapter 30: Sources of the Magnetic Field

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Q1) The magnetic field at (?3 m,0,0)is in the negative y direction.

Q2) A 0.50-m long solenoid consists of 1 000 turns of copper wire wound with a 4.0 cm radius.When the current in the solenoid is 18 A,the magnetic field at a point 1.0 cm from the central axis of the solenoid is

A)0.090 mT.

B)0.36 mT.

C)23 mT.

D)36 mT.

E)45 mT.

Q3) When a microwave filter consisting of vertical parallel metal rods is in the absorbing position,oscillating currents are set up in the rods.At any one instant,the current in each rod has the same magnitude and direction.At that instant

A)the rods will try to move apart horizontally.

B)the rods will try to move together horizontally.

C)the rods will try to shift vertically upwards.

D)the rods will try to shift vertically downwards.

E)the rods will not be affected because the source of current is not a battery.

Q4) The field at (0,1.0 m,0)is in the negative y direction.

Q5) The magnetic field at (+1 m,0,0)is in the positive y direction.

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Chapter 31: Faradays Law

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Q1) A car with a radio antenna 1.0 m long travels at 80 km/h in a locality where the Earth's magnetic field is 5.0 × 10 5 T.What is the maximum possible emf induced in the antenna as a result of moving through the Earth's magnetic field?

Q2) A 400-turn circular coil (radius = 1.0 cm)is oriented with its plane perpendicular to a uniform magnetic field which has a magnitude that varies sinusoidally with a frequency of 90 Hz.If the maximum value of the induced emf in the coil is observed to be 4.2 V,what is the maximum value of the magnitude of the varying magnetic field?

A)59 mT

B)62 mT

C)65 mT

D)68 mT

E)31 mT

Q3) The difference between a DC and an AC generator is that

A)the DC generator has one unbroken slip ring.

B)the AC generator has one unbroken slip ring.

C)the DC generator has one slip ring split in two halves.

D)the AC generator has one slip ring split in two halves.

E)the DC generator has two unbroken slip rings.

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Chapter 32: Inductance

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Q1) A circuit contains two inductors of 6.0 mH inductance in series placed in parallel with an inductor of 8.0 mH inductance.After one of the 6.0 mH inductors burns out,the repair person wants to replace all three inductors with one inductor of equivalent inductance.Assuming inductors combine in series and parallel the same way resistors do,what inductance should she use?

A)3.0 mH

B)3.4 mH

C)4.8 mH

D)11 mH

E)20 mH

Q2) A series LC circuit contains a 100 mH inductor,a 36.0 mF capacitor and a 12 V battery.The period of the electromagnetic oscillations in the circuit is

A)0.0227 s.

B)0.377 s.

C)2.26 s.

D)105 s.

E)1750 s.

Q3) An RLC circuit has L = 250 mH,C = 0.200 F,and R = 2.00 k .What is the angular frequency of its damped oscillations?

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Page 34

Chapter 33: Alternating-Current Circuits

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Q1) A 60.0-Hz ac generator with a peak voltage of 110 V drives a series RL circuit with R = 10.0 and L = 10.0 mH.The power factor,cos ,is

A) 1.00.

B) 0.936.

C)+0.943.

D)+0.936.

E)+1.00.

Q2) An RLC series circuit has R = 100 ohms,C = 25 F,and L = 0.16 H.For what angular frequency of an ac voltage is the current flow maximum?

A)251 rad/s

B)500 rad/s

C)757 rad/s

D)884 rad/s

E)79.6 rad/s

Q3) Suppose the circuit parameters in a series RLC circuit are: L = 1.00 H,C = 10.0 nF,R = 100 ,and the source voltage is 220 V.Determine the resonant frequency of the circuit and the amplitude of the current at resonance.

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Chapter 34: Electromagnetic Waves

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Q1) What is the maximum radiation pressure exerted by sunlight in space (S = 1350 W/m2)on a highly polished silver surface?

A)1.4 × 10 2 Pa

B)0.12 Pa

C)9.0 × 10 6 Pa

D)4.5 × 10 5 Pa

E)2.3 × 10 6 Pa

Q2) If the radiant energy from the sun comes in as a plane EM wave of intensity 1340 W/m2,calculate the peak values of E and B.

A)300 V/m,10 4 T

B)1 000 V/m,3.35 × 10 6 T

C)225 V/m,1.60× 10 3 T

D)111 V/m,3.00 × 10 5 T

E)711 V/m,2.37 × 10 6 T

Q3) Near the surface of the planet,the Earth's magnetic field is about 0.50 × 10 4 T.How much energy is stored in 1.0 m3 of the atmosphere because of this field?

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Chapter 35: The Nature of Light and the Principles of Ray Optics

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Q1) The speed of light changes when it goes from ethyl alcohol (n = 1.36)to carbon tetrachloride (n = 1.46).The ratio of the speed in carbon tetrachloride to the speed in ethyl alcohol,v2/v1,is

A)1.99

B)1.07

C)0.932

D)0.511

E)0.760

Q2) A layer of kerosene (n = 1.45)is floating on water (n = 1.33).For what angles of incidence at the kerosene-water interface will light be totally internally reflected within the kerosene?

Q3) A light ray whose frequency is 6.00 × 1014 Hz in vacuum is incident on water (n = 1.33).The wavelength of the light after it enters the water is (in nm)

A)798

B)500

C)665

D)376

E)266

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Chapter 36: Image Formation

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Q1) A fish is 80 cm below the surface of a pond.What is the apparent depth (in cm)when viewed from a position almost directly above the fish? (For water,n = 1.33. )

A)50

B)60

C)40

D)70

E)110

Q2) An object is placed 15 cm in front of a diverging lens whose focal length is 12 cm.Where will the image be located (in cm)?

A) 6.7

B) 7.2

C) 0.15

D) 60

E) 5.0

Q3) A soda straw is stuck into water at an angle of 36° to the vertical.Looking straight down,what does the angle of the submerged portion of the straw to the vertical appear to be?

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Chapter 37: Wave Optics

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Q1) Monochromatic light ( = 500 nm)is incident on a soap bubble (n = 1.4)that is 50 mm thick.What is the change of phase of the light reflected from the front surface?

A)0

B)180°

C) /2

D) /2

E)55°

Q2) A soap bubble (n = 1.35)is floating in air.If the thickness of the bubble wall is 115 nm,what visible light wavelength is most strongly reflected?

Q3) In a double slit experiment,the distance between the slits is 0.2 mm and the distance to the screen is 100 cm.What is the phase difference (in degrees)between the waves from the two slits arriving at a point 5 mm from the central maximum when the wavelength is 400 nm? (Convert your result so the angle is between 0 and 360°. )

A)90°

B)180°

C)270°

D)360°

E)160°

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Chapter 38: Diffraction Patterns and Polarization

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Sample Questions

Q1) Light strikes a flat water surface (n = 1.333)at the Brewster angle.Calculate the angle between the reflected and the refracted ray.

Q2) You could determine the index of refraction for visible light of a dark but reflective medium such as black glass by measuring the A)angles of incidence and refraction.

B)angle of reflection for an arbitrary angle of incidence.

C)angle at which reflected light is completely polarized.

D)smallest angle at which X-ray diffraction occurs in the glass.

E)smallest angle at which diffraction occurs for visible light when a diffraction pattern is scratched onto the surface.

Q3) The large space telescope that has been placed into an Earth orbit has an aperture diameter of 2.40 meters.What angular resolution will this telescope achieve for visible light of wavelength = 4.80 × 10 7 m?

A)2.44 × 10 7 rads

B)2.44 × 10 4 rads

C)2.44 × 10 3 rads

D)1.22 × 10 6 rads

E)2.00 × 10 6 rads

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Chapter 39: Relativity

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Q1) A satellite moves east,taken as the positive x axis direction,at a speed of 0.5 c and a spaceship moves toward it (to the west)at a speed of 0.8 c as measured by an observer on the Earth.The speed of the satellite measured by an observer in the spaceship is

A)8.7 c

B)0.21 c

C) 0.21 c

D)0.93 c

E) 0.93 c

Q2) When 1.0 gram of hydrogen combines with 8.0 grams of oxygen,9.0 grams of water is formed.But is this true? During the reaction 2.86 × 105 J of energy is released.How much mass is actually lost in this reaction?

Q3) The period of a pendulum is 2.0 s in a stationary inertial frame of reference.What is its period when measured by an observer moving at a speed of 0.60 c with respect to the inertial frame of reference?

Q4) In a color television tube,electrons are accelerated through a potential difference of 20000 volts.With what velocity do the electrons strike the screen?

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Page 41

Chapter 40: Introduction to Quantum Physics

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Q1) Find the uncertainty in the momentum (in kg m/s)of an electron if the uncertainty in its position is equal to 3.4 × 10 10 m,the circumference of the first Bohr orbit.

A)6.2 × 10 25

B)1.6 × 10 25

C)15.5 × 10 25

D)19.4 × 10 25

E)2.0 × 10 24

Q2) A neutron has a mass of 1.67 × 10 27 kg.The de Broglie wavelength is 1.4 × 10 10 m.How fast is the neutron going? (in m/s)

A)3.4 × 103

B)2.8 × 103

C)3.9 × 103

D)2.6 × 103

E)1.7 × 103

Q3) An electron is sitting on a pinpoint having a diameter of 2.5 m.What is the minimum uncertainty in the speed of the electron?

Q4) What is the energy in eV of a photon of yellow light? = 500 nm.

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Chapter 41: Quantum Mechanics

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Q1) Classically,the concept of "tunneling" is impossible.Why?

A)The kinetic energy of the particle would be negative.

B)The velocity of the particle would be negative.

C)The total energy of a particle is equal to the kinetic and potential energies.

D)The kinetic energy must be equal to the potential energy.

E)The total energy for the particle would be negative.

Q2) The fact that we can only calculate probabilities for values of physical quantities in quantum measurements means that

A)radiation and matter are not described by mathematical relations between measurements.

B)the probabilities cannot be calculated from mathematical relationships.

C)the results of physical measurements bear no relationship to theory.

D)the average values of a large number of measurements correspond to the calculated probabilities.

E)the average of the values calculated in a large number of different theories corresponds to the results of a measurement.

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Chapter 42: Atomic Physics

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Q1) Suppose Bohr had chosen the potential energy of the electron in the hydrogen atom to be V = 0 when the electron is in the orbit with n = 1.He could do this by

A)choosing n = 1 for the orbit where the kinetic energy of the electron is zero.

B)adding a constant 13.6 eV to the potential energy for all values of n.

C)adding a constant 27.2 eV to the potential energy for all values of n.

D)subtracting a constant 13.6 eV from the potential energy for all values of n.

E)subtracting a constant 27.2 eV from the potential energy for all values of n.

Q2) What is the difference in wavelength for spectral lines emitted by hydrogen for transitions from the n = 16 level to the n = 2 level and transitions from the n = 15 level to the n = 2 level? (RH = 1.097 × 107 m 1. )

A)1.0 × 10 10 m

B)2.0 × 10 10 m

C)4.1 × 10 10 m

D)8.1 × 10 10 m

E)1.6 × 10 9 m

Q3) A hydrogen atom emits a photon of wavelength 657.7 nm.From what energy state to what lower energy state did the electron jump?

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Chapter 43: Molecules and Solids

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Q1) The fundamental frequency of HF is 8.72 × 1013 Hz.The energy associated with a transition from the 10th to the 9th vibrational quantum number (in eV)is

A)3.61

B)0.361

C)0.060 5

D)0.605

E)0.182

Q2) A diatomic molecule consists of two point masses,m1 and m2,separated by a distance r.Find the moment of inertia through the center of mass about an axis perpendicular to the molecular axis.

A)m1m2r2/(m1 + m2) B)[(m1m2/m1)+ m2]r2 C)(m1 + m2)/m1m2r2 D)(m1 + m1)r2 /m1m2 E)m1m2r2/m1

Q3) Solid argon has a density of 1650 kg/m3.The atomic weight of argon is 40.0.Assuming each atom occupies a cubical volume,what is the distance between the argon atoms?

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Chapter 44: Nuclear Structure

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Q1) The isotope,tritium,has a half-life of 12.3 years.Assume we have 10 kg of the substance.What will be the disintegration constant (in s 1)?

A)5.6 × 10 2

B)5.6 × 108

C)3.2 × 107

D)1.8 × 10 9

E)1.6 × 106

Q2) For large mass number nuclei which are stable,the ratio of protons to neutrons is A)equal to 1

B)greater than 1

C)less than 1

D)unrelated to the stability of nuclei

E)almost 2 to 1

Q3) A pure sample of 226Ra contains 2.0 × 1014 atoms of the isotope.If the half-life of 226Ra = 1.6 × 103 years,what is the decay rate of this sample? (1 Ci = 3.7 × 1010 decays/s)

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Chapter 45: Applications of Nuclear Physics

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Q1) What energy is needed (in MeV)so two deuterium atoms moving together will reach the necessary 10 14 m for fusion?

A)0.511

B)0.14

C)2.5

D)4.3

E)1.0

Q2) One roentgen is defined as

A)the amount of ionizing radiation that will produce 1/3 × 10 9 C of electric charge in 1 cm3 of air under standard conditions.

B)the amount of radiation that deposits 10 2 J of energy into 1 kg of absorbing material.

C)the amount of radiation needed for ionization of an atom.

D)the amount of radiation needed for dissociation of a molecule.

E)the amount of radiation that deposits 1 erg of energy in 1 g of air.

Q3) How much kinetic energy must a deuterium ion (charge 1.6 × 10 19

C)have to approach to within 10 14 m of another deuterium ion? (1 MeV = 1.6 × 10 13 J)

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Chapter 46: Particle Physics and Cosmology

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Q1) A + particle,composed of uus quarks,has the same ____ as a proton.

A)baryon number and charm.

B)baryon number and electric charge.

C)baryon number and strangeness.

D)baryon number,electric charge,and charm.

E)electric charge and strangeness.

Q2) A model for how repulsive forces between two particles can be mediated by a third particle would be

A)A person on a skateboard pushing against a wall.

B)two people in two canoes throwing a ball back and forth.

C)two people in two canoes each pulling on one end of a rope.

D)two people in two skateboards giving each other a shove.

E)two people in two skateboards each pulling on one end of a rope.

Q3) All particles can be classified into

A)Leptons and quarks

B)Hadrons and leptons

C)Baryons and leptons

D)Mesons and Baryons

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