College Physics Textbook Exam Questions - 2739 Verified Questions

Course Introduction

College Physics

Textbook Exam Questions

College Physics is an introductory course designed to provide students with a foundational understanding of the principles and concepts that govern the physical world. The course covers topics such as mechanics, motion, energy, waves, thermodynamics, electricity, magnetism, optics, and modern physics, emphasizing both qualitative insight and quantitative problem-solving skills. Through lectures, laboratory experiments, and real-world applications, students develop analytical thinking and scientific reasoning abilities, preparing them for further study in science, engineering, health professions, and related fields.

Recommended Textbook

College Physics 11th Edition by Raymond A. Serway

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30 Chapters

2739 Verified Questions

2739 Flashcards

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Page 2

Chapter 1: Units, Trigonometry, and Vectors

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Sample Questions

Q1) A marble has a radius of 16 mm.Approximately how many marbles will fit in a cube-shaped container with each side equal to 36 cm?

A)20

B)510

C)1 420

D)80

Answer: C

Q2) Assume when using a meter stick measuring can be done so that the last significant figure is in the tenth of a millimeter digit.If you are measuring an object with length between 6 and 7 cm,how many significant figures will result if you only use the part of the meter stick between the 1-cm and 9-cm positions?

A)2

B)3

C)4

D)5

E)more than 5

Answer: B

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Chapter 2: Motion in One Dimension

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Sample Questions

Q1) A rock is thrown straight up with an initial velocity of 25.0 m/s.What maximum height will the rock reach before starting to fall downward? (Take acceleration due to gravity as 9.80 m/s². )

A)39.9 m

B)15.9 m

C)63.8 m

D)31.9 m

E)47.8 m

Answer: D

Q2) Jeff throws a ball straight up.For which situation is the vertical velocity zero?

A)on the way up

B)at the top

C)on the way back down

D)none of the above

Answer: B

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Chapter 3: Motion in Two Dimensions

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Sample Questions

Q1) A boat moves at 10.8 m/s relative to the water.If the boat is in a river where the current is 2.00 m/s,how long does it take the boat to make a complete round trip of 1 100 m upstream followed by a 1 100-m trip downstream?

A)250 s

B)172 s

C)211 s

D)297 s

E)336 s

Answer: C

Q2) A projectile is fired at an angle of elevation of 30°.Neglecting air resistance,what are possible angles in flight between the acceleration vector and the velocity vector?

A)160° and 40°

B)20° and 70°

C)90° and 30°

D)none of the above

E)10° and 30°

Answer: C

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Chapter 4: Newtons Laws of Motion

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Sample Questions

Q1) Two objects,A and B,are placed on an inclined plane that can be rotated to different angles of elevation.A starts to slide at twice the angle of elevation that B starts sliding.The respective coefficients for static friction for A and B are _A and _B.Choose the last answer that is correct.

A) _B > _A

B) _A > _B

C) _B = 2 _A

D) _A = 2 _B

Q2) A block of mass 4.0 kg rests on a horizontal surface where the coefficient of kinetic friction between the two is 0.20.A string attached to the block is pulled horizontally,resulting in a 3.0-m/s² acceleration by the block.Find the tension in the string.(g = 9.80 m/s²)

A)12 N

B)7.8 N

C)20 N

D)4.2 N

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Chapter 5: Energy

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Sample Questions

Q1) What is the kinetic energy of a 0.240-kg baseball thrown at 37.5 m/s?

A)338 J

B)4.50 J

C)169 J

D)9.00 J

E)37.7 J

Q2) Which of the following is that form of energy associated with an object's motion?

A)potential

B)thermal

C)bio-chemical

D)kinetic

Q3) A mover pushes a box of mass m = 56.0 kg along a horizontal floor a distance d = 2.50 m.The constant force exerted on the box by the mover makes an angle of 27.0° directed below the horizontal.Assume the floor is frictionless.If the work done by the mover is W = 200 J,what is the force exerted by the mover?

A)89.8 N

B)549 N

C)616 N

D)176 N

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Chapter 6: Momentum, Impulse, and Collisions

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Sample Questions

Q1) A moderate force will break an egg.However,an egg dropped on the road usually breaks,while one dropped on the grass usually doesn't break.This is because for the egg dropped on the grass:

A)the change in momentum is greater.

B)the change in momentum is less.

C)the time interval for stopping is greater.

D)the time interval for stopping is less.

Q2) Jerome pitches a baseball of mass 0.300 kg.The ball arrives at home plate with a speed of 40.0 m/s and is batted straight back to Jerome with a return speed of 52.0 m/s.What is the magnitude of change in the ball's momentum?

A)3.60 kg m/s

B)12.0 kg m/s.

C)15.6 kg m/s

D)27.6 kg m/s

E)12.0 kg m/s

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Chapter 7: Rotational Motion and Gravitation

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Sample Questions

Q1) Consider a point on a bicycle tire that is momentarily in contact with the ground as the bicycle rolls across the ground with constant speed.The direction for the acceleration for this point at that moment is:

A)upward.

B)down toward the ground.

C)forward.

D)at that moment the acceleration is zero.

Q2) The Earth's orbit is closest to the Sun in January and farthest from the Sun in July.When is the Earth moving the fastest in orbit?

A)Neither January nor July since the orbital speed of the Earth is a constant.

B)January

C)July

D)This occurs twice a year,in April and in October.

Q3) An asteroid is in orbit at 4 times the Earth's distance from the Sun.What is its period of revolution?

A)one fourth year

B)4 years

C)8 years

D)16 years

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Page 9

Chapter 8: Rotational Equilibrium and Dynamics

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Sample Questions

Q1) The quantity "angular momentum" (in terms of the fundamental quantities of mass,length,and time)is equivalent to:

A)MLT ².

B)ML²T ¹.

C)ML²T ³.

D)ML³T.

Q2) An initially installed flywheel can store 10⁶ J of kinetic energy when rotating at 300 rad/s.It is replaced by another flywheel of the same size but made of a stronger material.If its mass is the same as that of the original,and it is now capable of achieving a rotational speed of 425 rad/s,what maximum energy can be stored?

A)2.01E+6 J

B)1.66E+3 J

C)1.73E+5 J

D)1.00E+6 J

Q3) What is the mass of each rod?

A)rod 1: 12.4 kg,rod 2: 11.9 kg

B)rod 1: 4.69 kg,rod 2: 4.13 kg

C)rod 1: 0.550 kg,rod 2: 0.587 kg

D)rod 1: 35.2 kg,rod 2: 33.0 kg

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Page 10

Chapter 9: Fluids and Solids

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Sample Questions

Q1) An ice cube with a small solid steel sphere frozen inside floats in a glass of water filled to the brim.What happens to the level of water in the glass as a result of the ice melting?

A)It goes up,overflowing.

B)It stays the same.

C)It goes down.

D)It depends on air pressure,thus the answer is indeterminate.

Q2) Think of Bernoulli's equation as it pertains to an ideal fluid flowing through a horizontal pipe.Imagine that you take measurements along the pipe in the direction of fluid flow.What happens to the sum of the pressure and energy per unit volume?

A)It increases as the pipe diameter increases.

B)It decreases as the pipe diameter increases.

C)It remains constant as the pipe diameter increases.

D)No choices above are valid.

Q3) In an elastic solid there is a direct proportionality between strain and A)elastic modulus.

B)temperature.

C)cross-sectional area.

D)stress.

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Page 11

Chapter 10: Thermal Physics

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Sample Questions

Q1) An automobile gas tank is filled to its capacity of 22.0 gallons with the gasoline at an initial temperature of 15.6°C.The automobile is parked in the Sun causing the gasoline's temperature to rise to 73.6°C.If the coefficient of volume expansion for gasoline is 9.60 × 10 ⁴/C°,what volume runs out the overflow tube? Assume the change in volume of the tank is negligible.

A)0.329 gallons

B)1.55 gallons

C)1.22 gallons

D)1.53 gallons

E)0.919 gallons

Q2) At 22.0°C an aluminum ring has an inner diameter of 7.000 cm,and a brass rod has a diameter of 7.090 cm.Keeping the brass rod at 22.0°C,which of the following temperatures of the ring will allow the ring to just slip over the brass rod? ( _Al = 2.4 × 10 ⁵ /C°, _brass = 1.9 × 10 ⁵/C°)

A)536°C

B)418°C

C)190°C

D)558°C

E)725°C

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Page 12

Chapter 11: Energy in Thermal Processes

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Sample Questions

Q1) If one's hands are being warmed by holding them to one side of a flame,the predominant form of heat transfer is what process?

A)conduction

B)radiation

C)convection

D)vaporization

Q2) The tungsten filament of a light bulb has an operating temperature of about 2 050

K.If the emitting area of the filament is 0.70 cm²,and its emissivity is 0.68,what is the power output of the light bulb? ( = 5.67 × 10 ⁸

W/m² K⁴)

A)70.1 W

B)47.7 W

C)477 W

D)42.7 W

E)39.7 W

Q3) Which of the following involves the greatest heat transfer?

A)One gram of steam at 100°C changing to water at 100°C.

B)One gram of ice at 0°C changing to water at 0°C.

C)One gram of water cooling from 100°C to 0°C.

D)One gram of ice heating from 100°C to 0°C.

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Chapter 12: The Laws of Thermodynamics

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Sample Questions

Q1) An electrical power plant manages to send 90% of the heat produced in the burning of fossil fuel into the water-to-steam conversion.Of the heat carried by the steam,40% is converted to the mechanical energy of the spinning turbine.Which of the following choices best describes the overall efficiency of the heat-to-work conversion in the plant (as a percentage)?

A)greater than 90%

B)65%

C)less than 40%

D)40%

E)90%

Q2) An adiabatic expansion refers to the fact that

A)no heat is transferred between a system and its surroundings.

B)the pressure remains constant.

C)the temperature remains constant.

D)the volume remains constant.

Q3) The adiabatic index of a gas is given by which of the following?

A)C_P /C_V

B)C_V /C_P

C)C_P C_V

D)C_P + C_V

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Chapter 13: Vibrations and Waves

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Sample Questions

Q1) The oxygen molecule (O₂)may be regarded as two masses connected by a spring.In vibrational motion,each oxygen atom alternately approaches,then moves away from the center of mass of the system.If each oxygen atom of mass m = 2.67 × 10 ²⁶ kg has a vibrational energy of 1.6 × 10 ²¹ J and the effective spring constant is 86 N/m,then what is the amplitude of oscillation of each oxygen atom?

A)3.2E-11 m

B)1.6E-11 m

C)1.1E-11 m

D)6.1E-12 m

E)4.3E-12 m

Q2) A wave travels in a string at 58 m/s.A second string of 10% greater linear density has the same tension applied as in the first string.What will be the resulting wave speed in the second string?

A)also 58 m/s

B)61 m/s.

C)180 m/s

D)55 m/s

E)61 m/s

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Page 15

Chapter 14: Sound

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Sample Questions

Q1) An ambulance with its siren on is heading due east along a straight road at 60 mph.A car is also moving along the same road.In which case will the driver of the car perceive the frequency of the siren to be lowest?

A)The car is moving east at 65 mph and is behind the ambulance

B)The car is moving west at 65 mph and is behind the ambulance.

C)The car is moving east at 65 mph and is in front of the ambulance.

D)The car is moving west at 65 mph and is in front of the ambulance.

Q2) The air in a tube open at both ends is sent into its fundamental resonance.One end of the tube is then closed and the air column is again set into its fundamental resonance.The resonant frequency ____ after the end is closed.

A)halves

B)stays the same

C)doubles

D)increases by a factor of 1.4

Q3) In which part of the ear is the cochlea?

A)outer ear

B)middle ear

C)inner ear

D)ear canal

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Page 16

Chapter 15: Electric Forces and Fields

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Sample Questions

Q1) Charges of 3.5 µC and 7.6 µC are placed at two corners of an equilateral triangle with sides of 0.1 m.At the third corner,what is the electric field magnitude created by these two charges? (k_e = 8.99 × 10⁹ N·m²/C²)

A)1.2E+7 N/C

B)3.0E+6 N/C

C)5.5E+6 N/C

D)5.9E+6 N/C

E)7.9E+6 N/C

Q2) In x-ray machines,electrons are subjected to electric fields as great as 6.0 × 10⁵ N/C.Find an electron's acceleration in this field.(m_e = 9.11 × 10 ³¹ kg,e = 1.6 × 10 ¹⁹ C)

A)1.1E+17 m/s²

B)3.4E+13 m/s²

C)8.7E+10 m/s²

D)2.9E+8 m/s²

E)4.1E+13 m/s²

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Chapter 16: Electrical Energy and Capacitance

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Sample Questions

Q1) Four identical 2.5-mF capacitors are connected together electrically.What is the greatest possible capacitance of the combination?

A)0.50 mF

B)0.42 mF

C)0.63 mF

D)10 mF

E)0.40 mF

Q2) A solid conducting sphere of 10-cm radius has a net charge of 18 nC.If the potential at infinity is taken as zero,what is the potential at the center of the sphere?

A)2.1 V

B)16 V

C)1.6 × 10³ V

D)>1.6 × 10⁴ V

E)13 V

Q3) The quantity of electrical potential,the volt,is dimensionally equivalent to:

A)force/charge.

B)force × charge.

C)electric field × distance.

D)electric field/distance.

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Page 18

Chapter 17: Current and Resistance

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Sample Questions

Q1) A wire 1 mm in diameter is connected to one end of a wire of the same material 2 mm in diameter of twice the length.A voltage source is connected to the wires and a current is passed through the wires.If it takes time T for the average conduction electron to traverse the 1-mm wire,how long does it take for such an electron to traverse the 2-mm wire?

A)T/4

B)T

C)4T

D)8T

Q2) Consider some material that has been cooled until it has become a superconductor.If it is cooled even further its resistance will: A)increase.

B)decrease.

C)stay constant and non-zero.

D)None of the above.

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19

Chapter 18: Direct-Current Circuits

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Sample Questions

Q1) In a circuit,a current of 1.10 A is drawn from a battery.The current then divides and passes through two resistors in parallel.One of the resistors has a value of 66 and the current through it is 0.480 A.What is the value of the other resistor?

A)28.8

B)51.1

C)151

D)20.1

Q2) What percent of the dissipated power is dissipated in the batteries?

A)10.2%

B)6.3%

C)1.6%

D)1.9%

Q3) The internal resistances of an ideal voltmeter and an ideal ammeter are respectively (ideal meaning the behavior of the system is not changed when using the meter):

A)zero and zero.

B)infinite and infinite.

C)zero and infinite.

D)infinite and zero.

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Chapter 19: Magnetism

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Q1) The current in a long wire creates a magnetic field in the region around the wire.How is the strength of the field at distance r from the wire center related to the magnitude of the field?

A)field directly proportional to r

B)field inversely proportional to r

C)field directly proportional to r²

D)field inversely proportional to r²

Q2) A proton is released such that it has an initial speed of 4.1 × 10⁵ m/s from left to right across the page.A magnetic field of 0.8 T is present at an angle of 45° to the horizontal direction (or positive x axis).What is the magnitude of the force experienced by the proton? (q_p = 1.6 × 10 ¹⁹ C)

A)5.9E-33 N

B)9.3E-33 N

C)3.7E-14 N

D)4.5E-14 N

E)3.7E-14 N

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Chapter 20: Induced Voltages and Inductance

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Sample Questions

Q1) A straight wire of length l is oriented east-west and is in a magnetic field B pointing north.The wire is moving downward at a constant speed v.If the resistance of the rod is R,what is the current through the rod?

A)R/Blv

B)Blv/R

C)B²l²v²/R² D)not given

Q2) If the area of the loop increases at a rate of area 1.50 * 10^-3 m²/s,what is the magnitude of the emf induced in the coil?

A)1.11 mV

B)3.00 mV

C)0.218 mV

D)0.589 mV

Q3) The back emf in an electric motor is its maximum value under which condition?

A)motor speed is zero

B)current is a maximum

C)voltage is a maximum D)motor speed is a maximum

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22

Chapter 21: Alternating-Current Circuits and Electromagnetic Waves

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Sample Questions

Q1) Maxwell guessed that visible light was an electromagnetic wave because of its: A)frequency.

B)wavelength.

C)speed.

D)energy.

Q2) In an AC circuit operating at a frequency where the phase angle with respect to the current is 30°,what happens to the phase angle if the capacitance of the circuit is increased?

A)It increases.

B)It decreases.

C)nothing

D)It decreases and can become zero.

Q3) A radio wave transmits 1.59 W/m² average power per unit area.What is the peak value of the associated magnetic field? ( ₀ = 4 × 10 ⁷ T m/A and c = 3.00 × 10⁸ m/s)

A)1.33E-14 T

B)3.46E+1 T

C)1.15E-7 T

D)7.28E-5 T

E)8.16E-8 T

Page 23

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Chapter 22: Reflection and Refraction of Light

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Q1) A beam of light in air is incident on the surface of a rectangular block of clear plastic (n = 1.49).If the velocity of the beam before it enters the plastic is 3.00 × 10⁸ m/s,what is its velocity inside the block?

A)3.00E+8 m/s

B)1.35E+8 m/s

C)2.01E+8 m/s

D)2.46E+8 m/s

E)1.53E+8 m/s

Q2) Diamond has an index of refraction of 2.419.What is the critical angle for internal reflection inside a diamond that is in air?

A)24.4°

B)48.8°

C)155°

D)131°

Q3) The photoelectric effect was discovered by: A)Maxwell. B)Einstein. C)Hertz. D)Planck.

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Page 24

Chapter 23: Mirrors and Lenses

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Q1) An object is held at a distance of 19.0 cm from a convex mirror creating an image that is 1/6 the object size.What is the focal length of the mirror?

A)-3.8 cm

B)16 cm

C)-2.7 cm

D)-8.8 cm

E)23 cm

Q2) When the reflection of an object is seen in a concave mirror the image will

A)always be real.

B)always be virtual.

C)may be either real or virtual.

D)will always be enlarged.

Q3) An object of length 3.00 cm is inside a plastic block with index of refraction 1.40.If the object is viewed through the top surface of the block at a non-zero angle from the normal,where is the object relative to its image?

A)in the same direction as its image

B)above the direction of its image

C)below the direction of its image

D)More information is needed.

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Page 25

Chapter 24: Wave Optics

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Q1) What is the minimum thickness of a glycerin film (n = 1.47)on which light of wavelength 684 nm shines that results in constructive interference of the reflected light?

Assume the film is surrounded front and back by air.

A)233 nm

B)116 nm

C)251 nm

D)503 nm

E)126 nm

Q2) Light travels from inside a building to outside through a pane of glass.Which of the following is true regarding the phase change upon reflection in the case?

A)A 180^o phase change occurs at the inside surface but not at the outside surface.

B)A 180^o phase change occurs at the outside surface but not at the inside surface.

C)A 180^o phase change occurs at both the inside surface and the outside surface.

D)No phase change occurs at either the inside surface or the outside surface of the glass.

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Chapter 25: Optical Instruments

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Q1) A given individual is unable to see objects clearly when they are beyond 100 cm.What focal length lens should be used to correct this problem?

A) 100 cm

B) 33.3 cm

C) 20 cm

D)75 cm

E)100 cm

Q2) Changing the f-number of a camera by three stops by going from f/11 to f/32 will change the intensity of the light hitting the film by a factor of A)8.

B)4.

C)1/4.

D)1/8.

E)32.

Q3) A low f-number

A)allows a smaller depth of field.

B)allows using a faster shutter speed.

C)causes less spherical aberration.

D)is not related to any of the above options.

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Page 27

Chapter 26: Relativity

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Q1) A particle is moving the +x direction at speed c/2.Another particle is moving in the -x direction at speed c/2 toward the first particle.Which of the following best describes the speed of one particle as seen by an observer moving with the other particle?

A)c

B)some value less than 3c/4

C)some value more than 3c/4

D)3c/4

Q2) A muon formed high in Earth's atmosphere travels at a speed 0.960c for a distance (as we see it)of 4500 m before it decays.How far does the muon travel as measured in its frame?

A)2520 m

B)16,100 m

C)4320 m

D)1260 m

E)4500 m

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Chapter 27: Quantum Physics

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Q1) What is the de Broglie wavelength for a proton (m = 1.67 × 10 ²⁷

kg)moving at a speed of 2.9 × 10⁶ m/s? (h = 6.63 × 10 ³⁴ J s)

A)6.84E-14 m

B)2.06E-14 m

C)2.29E-13 m

D)1.37E-13 m

E)3.82E-13 m

Q2) The Compton experiment demonstrated which of the following when an x-ray photon collides with an electron?

A)Momentum is conserved.

B)Energy is conserved.

C)Momentum and energy are both conserved.

D)Wavelength of scattered photon equals that of incident photon.

Q3) Of photons of red,yellow,green,and blue light,which photons have the least energy?

A)red

B)blue

C)green

D)yellow

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29

Chapter 28: Atomic Physics

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73 Verified Questions

73 Flashcards

Source URL: https://quizplus.com/quiz/67700

Sample Questions

Q1) How many electrons are in chromium's (atomic number 24)next to outer shell (n = 3)?

A)1

B)14

C)12

D)13

E)8

Q2) A hydrogen atom in the ground state absorbs a 13.32-eV photon.To what level is the electron promoted? (The ionization energy of hydrogen is 13.6 eV).

A)n = 6

B)n = 10

C)n = 7

D)n = 5

E)n = 11

Q3) How many electrons are in chlorine's (atomic number 17)next to outer shell (n = 2)?

A)18

B)4

C)2

D)8

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Page 30

Chapter 29: Nuclear Physics

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88 Verified Questions

88 Flashcards

Source URL: https://quizplus.com/quiz/67701

Sample Questions

Q1) The alpha emission process results in the daughter nucleus differing in what manner from the parent?

A)Atomic mass increases by one.

B)Atomic number decreases by two.

C)Atomic number increases by one.

D)Atomic mass decreases by two.

Q2) Tritium is radioactive with a half-life of 12.33 years decaying into ³He with low-energy electron emission.If we have a sample of 1.91 × 10¹⁸ tritium atoms,what is its activity in decays/second? (1 year = 3.15 × 10⁷ s)

A)4.92E+9 decays/second

B)3.41E+9 decays/second

C)1.07E+17 decays/second

D)6.69E+16 decays/second

E)3.41E+10 decays/second

Q3) A radioactive isotope that emits an alpha particle will change in what respect?

A)Atomic number decreases by four.

B)Mass number decreases by four.

C)Both choices a and b are valid.

D)None of the above choices are valid.

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Page 31

Chapter 30: Nuclear Energy and Elementary Particles

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90 Verified Questions

90 Flashcards

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Sample Questions

Q1) The medical diagnostic technique PET stands for A)proton energizing test.

B)phosphorus electron tracing.

C)precision electronic tracking.

D)positron emission tomography.

Q2) The attractive force between protons and neutrons in the nucleus is brought about by the exchange of a virtual pi-meson (m = 140 MeV/c²).Estimate the longest time a can exist in accordance with the uncertainty principle E t = h/2 .(h/2 = 1.05 × 10 ³⁴ J s,1 eV = 1.6 × 10 ¹⁹ C)

A)3.3 × 10 ¹⁸ s

B)2.4 × 10 ²¹ s

C)4.7 × 10 ²⁴ s

D)6.9 × 10 ²⁷ s

Q3) Which of the following is not conserved?

A)lepton number

B)baryon number

C)meson number

D)energy

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