Physics for Health Sciences Practice Exam - 2739 Verified Questions

Physics for Health Sciences

Practice Exam

Course Introduction

This course provides an introduction to the principles of physics with a focus on applications relevant to the health sciences. Topics include mechanics, fluid dynamics, thermodynamics, waves, sound, optics, electricity, and radiation, emphasizing their roles in the human body and medical technology. Through conceptual understanding and problem-solving, students will learn how physical principles underlie physiological processes, diagnostic tools, and therapeutic techniques commonly used in healthcare settings. The course is designed to equip health science students with a practical understanding of physics concepts essential for interpreting and applying scientific information in their future careers.

Recommended Textbook

College Physics 11th Edition by Raymond A. Serway

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30 Chapters

2739 Verified Questions

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Chapter 1: Units, Trigonometry, and Vectors

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Sample Questions

Q1) An apartment has 1 100 ft² of floor space.What is the approximate volume of the apartment?

A)10² ft³

B)10³ ft³

C)10⁴ ft³

D)10⁵ ft³

E)10⁶ ft³

Answer: C

Q2) A surveyor stands 100 m from the base of a building,and uses a transit to determine that the angle of elevation to the building's roof is 19.0°.If the transit height is 0.80 m,what is the height of the building?

A)94.6 m

B)95.4 m

C)35.2 m

D)34.4 m

Answer: C

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3

Chapter 2: Motion in One Dimension

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Q1) Consider the magnitude of the average speed,v_{avg,speed,mag},and the magnitude of the average velocity,v_{avg,velocity,mag},for the same trip.Which of the following is always true?

A)v_avg,speed,_mag = v_{avg,velocity,mag}

B)v_{avg,speed,mag} v_{avg,velocity,mag}

C)v_{avg,speed,mag} v_{avg,velocity,mag}

D)none of the above

Answer: B

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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Q1) A car is initially moving at 20 m/s east,and a little while later it is moving at 10 m/s north.Which of the following best describes the orientation of the average acceleration during this time interval?

A)northeast

B)northwest

C)west

D)north of west

Answer: D

Q2) The highest mountain on Mars is Olympus Mons,rising 22 000 meters above the Martian surface.If we were to throw an object horizontally off the mountain top,how long would it take to reach the surface? (Ignore atmospheric drag forces and use g_Mars = 3.72 m/s². )

A)1.8 minutes

B)2.4 minutes

C)3.0 minutes

D)0.79 minute

Answer: A

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Chapter 4: Newtons Laws of Motion

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Q1) A 12.0-kg mass is placed on a 29.0° incline and friction keeps it from sliding.The coefficient of static friction in this case is 0.660,and the coefficient of sliding friction is 0.546.The mass is given a shove causing it to slide down the incline.What is the frictional force while the mass is sliding?

A)57.0 N

B)102.9 N

C)56.2 N

D)67.9 N

E)10.5 N

Q2) An astronaut applies a force of 450 N to an asteroid,and it accelerates at 7.0 m/s².What is the asteroid's mass?

A)64 kg

B)450 kg

C)460 kg

D)3 200 kg

E)0.016 kg

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Chapter 5: Energy

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Sample Questions

Q1) The unit of power,watt,is dimensionally the same as:

A)joule-second.

B)joule/second.

C)joule-meter.

D)joule/meter.

Q2) A 1 000-kg sports car accelerates from zero to 25 m/s in 7.0 s.What is the average power delivered by the automobile engine?

A)8.9E+4 W

B)1.8E+3 W

C)4.5E+4 W

D)1.8E+5 W

E)5.4E+4 W

Q3) Yuri,a Russian weightlifter,is able to lift 260 kg 2.10 m in 2.20 s.What is his power output?

A)546 W

B)2.43 kW

C)1.21 kW

D)11.8 kW

E)24.3 kW

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Chapter 6: Momentum, Impulse, and Collisions

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Sample Questions

Q1) When a collision is perfectly inelastic,then:

A)all the kinetic energy is conserved.

B)all the kinetic energy is gone.

C)the participants stick together.

D)the total momentum is zero.

Q2) In a system with two moving objects,when a collision occurs between the objects:

A)the total kinetic energy is always conserved.

B)the total momentum is always conserved.

C)the total kinetic energy and total momentum are always conserved.

D)neither the kinetic energy nor the momentum is conserved.

Q3) A 5.00-g bullet is fired into a 950-g block of wood suspended as a ballistic pendulum.The combined mass swings up to a height of 8.00 cm.What was the kinetic energy of the bullet immediately before the collision?

A)1.4E+2 J

B)1.5E+3 kJ

C)3.9E-3 J

D)1.4E+8 J

E)1.5E+2 J

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8

Chapter 7: Rotational Motion and Gravitation

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Q1) An object of mass 0.50 kg is transported to the surface of Planet X where the object's weight is measured to be 20 N.The radius of the planet is 4.0 × 10⁶ m.What free-fall acceleration will the 0.50-kg object experience when transported to a distance of 8.00 × 10⁶ m from the surface of this planet?

A)240 m/s²

B)1.11 m/s²

C)10.0 m/s²

D)4.44 m/s²

Q2) If the mass of Mars is 0.107 times that of Earth,and its radius is 0.530 that of Earth,estimate the gravitational acceleration g at the surface of Mars.(g_earth = 9.80 m/s²)

A)2.20 m/s²

B)3.73 m/s²

C)4.20 m/s²

D)5.50 m/s²

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9

Chapter 8: Rotational Equilibrium and Dynamics

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Sample Questions

Q1) A 2.00-kg mass is placed at (3.00,4.00)m,and a 3.50-kg mass is placed at (3.00, 4.00)m.What is the moment of inertia of this system of masses about the z axis?

A)138 kg·m²

B)16.5 kg·m²

C)88.0 kg·m²

D)49.5 kg·m²

E)22.0 kg·m²

Q2) A uniform solid sphere rolls down an incline of height 3 m after starting from rest.In order to calculate its speed at the bottom of the incline,one needs to know:

A)the mass of the sphere.

B)the radius of the sphere.

C)the mass and the radius of the sphere.

D)no more than is given in the problem.

Q3) If a nonzero torque is applied to an object,that object will experience:

A)a constant angular speed.

B)an angular acceleration.

C)a constant moment of inertia.

D)an increasing moment of inertia.

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10

Chapter 9: Fluids and Solids

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Sample Questions

Q1) In order to overcome a surface tension of a fluid,a force of 1.35 × 10 ² N is required to lift a wire ring of circumference 13.0 cm.What is the surface tension of the fluid?

A)0.052 N/m

B)0.104 N/m

C)0.552 N/m

D)5.19 N/m

E)17.6 N/m

Q2) A Boeing-737 airliner has a mass of 20 500 kg.The total area of the wings is 105 m².What must be the pressure difference between the top and bottom of the wings to keep the airplane up?

A)1.91E+3 Pa

B)1.99E+1 Pa

C)1.95E+2 Pa

D)1.92E+3 Pa

E)1.81E+3 Pa

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Chapter 10: Thermal Physics

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Sample Questions

Q1) The length of a 25-m wire increases by 0.25 cm when it is heated from 20°C to 90°C.What is the coefficient of linear expansion of the wire?

A)1.43 × 10^-6/ºC

B)1.43 × 10^-4/ºC

C)8.93 × 10^-4/ºC

D)8.93 × 10^-2/ºC

Q2) Arrange the temperatures 40 ºF,40 ºC,and 40 K from highest to lowest.

A)40 ºF,40 ºC,40 K

B)40 ºC,40 K,40 ºF

C)40 ºF,40 K,40 ºC

D)40 ºC,40 ºF,40 K

Q3) At what temperature is the same numerical value obtained in Celsius and Fahrenheit?

A) 40°

B)0°

C)40°

D) 72°

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Chapter 11: Energy in Thermal Processes

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Sample Questions

Q1) A 4.00-g lead bullet is traveling at a speed of 200 m/s when it embeds in a wood post.If we assume that half of the resultant heat energy generated remains with the bullet,what is the increase in temperature of the embedded bullet? (specific heat of lead = 0.0305 kcal/kg °C,1 kcal = 4 186 J)

A)78.3 °C

B)157 °C

C)313 °C

D)39.2 °C

E)97.9 °C

Q2) How much heat energy is required to vaporize a 4.40-g ice cube at 0°C? The heat of fusion of ice is 80.0 cal/g.The heat of vaporization of water is 540 cal/g,and c_water = 1.00 cal/g °C.

A)2 730 cal

B)3 170 cal

C)2 820 cal

D)3 520 cal

E)2 380 cal

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Page 13

Chapter 12: The Laws of Thermodynamics

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Sample Questions

Q1) How long will it take if she works out?

A)0.228 min

B)13.7 min

C)15.1 min

D)0.252 min

Q2) Two objects,A and B,are placed in thermal contact.The entropy of object A decreases.What can be said about the relationship between the temperatures of the two objects?

A)T_A < T_B

B)T_A > T_B

C)T_A = T_B

D)not enough information to say

Q3) How long will it take if she stays in bed all day?

A)2.41 hours

B)57.8 hours

C)37.7 hours

D)0.228 hours

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14

Chapter 13: Vibrations and Waves

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Sample Questions

Q1) A 0.200-kg object,attached to a spring with spring constant k = 16.0 N/m,is moving on a horizontal frictionless surface in simple harmonic motion of amplitude of 0.0840 m.What is its speed at the instant when its displacement is 0.0420 m? (Hint: Use conservation of energy. )

A)6.51 m/s

B)0.269 m/s

C)65.1 cm/s

D)84.0 cm/s

E)46.0 cm/s

Q2) A water bug on the surface of a pond bobs up and down three times per second on ripples with wavelength 10.5 cm.A fish resting at the surface of the pond is 8.50 m from the water bug.How long does it take a ripple passing the water bug to reach the fish?

A)27.0 s

B)243 s

C)81.0 s

D)0.893 s

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Chapter 14: Sound

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Sample Questions

Q1) In the afternoon,the decibel level of a busy freeway is 85 dB with 90 cars passing a given point every minute.Late at night,the traffic flow is only 8 cars per minute.What is the late-night decibel level?

A)200 dB

B)85 dB

C)170 dB

D)74 dB

E)8.5 dB

Q2) A sound wave has a frequency of 850 Hz.What is the sound wave's wavelength if the air temperature is 26.0S1U1P1\(\circ\)S1S1P0C?

A)0.41 m

B)2.0 m

C)33 m

D)0.42 m

Q3) Which of the following ranges corresponds to the longest wavelengths?

A)infrasonic

B)audible

C)ultrasonic

D)all have the same wavelengths

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Page 16

Chapter 15: Electric Forces and Fields

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Sample Questions

Q1) Two identical iron spheres have equal positive charges and the force between them when they are 1 m apart is 2 N.What percentage of the electrons has been removed from each sphere if each sphere has 1 mole (6 × 10²³)of iron atoms? (k_e = 8.99 × 10⁹ N m²/C²,the atomic number of iron is 26,and the electron charge is 1.6 × 10 ¹⁹ C)

A)0.001%

B)0.000 002%

C)1 × 10 ⁸ %

D)6 × 10 ¹⁰ %

E)6 × 10 ¹² %

Q2) A charge Q accumulates on the hollow metallic dome,of radius R,of a Van de Graaff generator.A probe measures the electric field strength at various points outside the sphere surface.By what factor will the electric field value at the 2R distance be changed if the charge value were increased to (5/3)Q?

A)(5/3)²

B)5/3

C)3/5

D)(3/5)²

E)5

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Page 17

Chapter 16: Electrical Energy and Capacitance

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Q1) Two parallel-plate capacitors have the same plate area,and the gap between the plates is filled with a dielectric with a dielectric constant equal to 8.The gap in capacitor A is one half that in Capacitor B.What is the ratio of the capacitance of A to B?

A)4

B)1

C)1/4

D)8

E)The ratio is not given.

Q2) An electron is released from rest at the negative plate of a parallel-plate capacitor.If the distance across the plate is 2.0 mm and the potential difference across the plate is 6.0 V,with what velocity does the electron hit the positive plate? (m_e = 9.1 × 10 ³¹ kg,e = 1.6 × 10 ¹⁹ C)

A)2.1E+5 m/s

B)1.5E+12 m/s

C)5.3E+5 m/s

D)1.5E+6 m/s

E)2.1E+6 m/s

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Page 18

Chapter 17: Current and Resistance

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Q1) Materials having resistance changes as voltage or current varies are called:

A)ohmic.

B)inohmic.

C)nonohmic.

D)deohmic.

Q2) The resistance of a platinum wire is to be calibrated for low-temperature work.A platinum wire with resistance 1.5 at 30°C is immersed in liquid nitrogen at 93 K ( 180°C).If the temperature response of the platinum wire is linear,what is the expected resistance of the platinum wire at 180°C? [ _platinum = 3.92 × 10 ³ (°C) ¹].

A)0.265

B)2.38

C)2.73

D)8.48

E)0.618

Q3) The unit of electric resistance,the ohm,is equivalent to which of the following?

A)V/A

B)V m

C)A/s

D)A/m

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Chapter 18: Direct-Current Circuits

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Sample Questions

Q1) What percent of the dissipated power is dissipated in the batteries?

A)10.2%

B)6.3%

C)1.6%

D)1.9%

Q2) Four 1.5-volt AA batteries in series power a transistor radio.If the batteries hold a total charge of 200 C,how long will they last if the radio has a resistance of 200 ?

A)6.0 h

B)1.9 h

C)2.6 h

D)1.4 h

E)2.4 h

Q3) In applications where electrical shocks may be more likely,such as around water in kitchens and bathrooms,special outlets called GFI's are used.What does GFI stand for?

A)get free instantly

B)ground-fault interrupter

C)give fast interruption

D)gravity-free insulator

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Chapter 19: Magnetism

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Q1) An electron is accelerated from rest through 2300 V and then enters a region of uniform magnetic field with magnitude 1.25 T.What is the magnitude of the maximum magnetic force acting on the electron?

A)5.68E-12 N

B)4.02E-12 N

C)4.07E-12 N

D)2.03E-12 N

Q2) Three identical bar magnets,each 2 cm long,are placed in a straight line on a frictionless surface with their ends equally spaced with 2 cm between ends.They are constrained so they cannot rotate,but they can slide along the straight line.The left magnet has its north pole nearest the north pole of the middle magnet,and the right magnet has its south pole toward the middle magnet's south pole.Once they are in place and released from rest,which of the following best describes the motion of the magnets?

A)The end magnets will move away from the center magnet.

B)The magnets will not move since they are equally spaced.

C)The magnets will snap together.

D)None of the above would happen.

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Page 21

Chapter 20: Induced Voltages and Inductance

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Q1) An RL series circuit has the following components: 9.2-mH coil,1.2- resistor,16-V battery,ammeter and switch.What is the time constant of this circuit?

A)1.3E+2 s

B)7.7E-3 s

C)1.4E-3 s

D)6.9E-4 s

E)1.2E-1 s

Q2) A bar magnet is held above the center of a conducting ring in the horizontal plane.The magnet is dropped so it falls lengthwise toward the center of the ring.Will the falling magnet be attracted toward the ring or be repelled by the ring due to the magnetic interaction of the magnet and the ring?

A)It will be attracted.

B)It will be repelled.

C)It will be attracted only if the north end of the magnet is the leading end as it falls toward the ring.

D)It will be attracted only if the south end of the magnet is the leading end as it falls toward the ring.

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Page 22

Chapter 21: Alternating-Current Circuits and Electromagnetic Waves

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Q1) A transformer consists of a 780-turn primary coil and a 1 403-turn secondary coil.If the current in the secondary is 3.49 A,what is the primary current?

A)1.94 A

B)4.68 A

C)6.28 A

D)3.49 A

E)2.60 A

Q2) A resistor,inductor,and capacitor are connected in series,each with effective (rms)voltage of 64.0 V,87.6 V,and 69.0 V,respectively.What is the value of the effective (rms)voltage of the applied source in the circuit?

A)82.6 V

B)66.6 V

C)83.7 V

D)220.6 V

E)129 V

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Chapter 22: Reflection and Refraction of Light

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Q1) Dez pours carbon tetrachloride (n = 1.46)into a container made of crown glass (n = 1.52).The light ray in glass incident on the glass-to-liquid boundary makes an angle of 24.0° with the normal.Find the angle of the corresponding refracted ray.

A)23.0°

B)0.437°

C)25.1°

D)60.4°

E)24.0°

Q2) Huygens's wave theory requires which of the following with regard to the relative speeds of light in glass and in air?

A)Speed in air is greater than in glass.

B)Speed in air is less than in glass.

C)Speed in air equals that in glass.

D)Speed in glass equals square root of that in air.

Q3) In glass,which of the following colors of light travels fastest?

A)red

B)blue

C)yellow

D)All three of the above travel at the same speed.

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Page 24

Chapter 23: Mirrors and Lenses

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Q1) When the reflection of an object is seen in a convex mirror the image will A)always be real.

B)always be virtual.

C)may be either real or virtual.

D)will always be enlarged.

Q2) A converging lens with two convex surfaces has a front surface with radius of curvature of 13.1 cm;the back surface has radius of curvature of 16.5 cm,and it is made from material with an index of refraction of 2.10.What is the focal length of the lens?

A)6.64 cm

B)57.8 cm

C) 57.8 cm

D)3.48 cm

E)30.3 cm

Q3) An object is placed 10 cm in front of a mirror,and an image is formed that has a magnification of 2.Which of the following statements is false?

A)The focal length of the mirror is 20 cm.

B)The image is virtual.

C)There is enough information to select the correct answer.

D)This is the only true statement.

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Page 25

Chapter 24: Wave Optics

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Q1) A beam of light of wavelength 674 nm is incident along the normal to two closely spaced parallel glass plates.For what air gap separation between the plates will the transmitted beam be of maximum intensity? (1 nm = 10 ⁹ m)

A)169 nm

B)674 nm

C)337 nm

D)843 nm

E)506 nm

Q2) In a Young's experiment,the paths from the slits to a point on the screen differ in length causing constructive interference at the point.Which of the following path differences would cause this constructive interference?

A)5 /2

B)3 /4

C)4

D)None of the above.

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26

Chapter 25: Optical Instruments

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Q1) A CCD camera is equipped with a lens with constant focal length.As the f-number is decreased,which of the following quantities remain unchanged?

A)the aperture

B)the depth of field

C)the appropriate exposure time

D)the intensity of light reaching the sensor

E)None of the above quantities remains unchanged.

Q2) Even relatively small astronomical telescopes are ordinarily not used for terrestrial observation because

A)their images are too bright.

B)their images are too dim.

C)their images are inverted.

D)their images are not in color.

Q3) A simple magnifier has a focal length of 5.9 cm.What is the maximum angular magnification of the lens?

A)5.2

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Chapter 26: Relativity

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Q1) At what speed is the momentum of an object five times that found classically?

A)0.894c

B)0.960c

C)0.980c

D)0.800c

E)0.999c

Q2) What is the change in relativistic momentum of an electron that accelerates from 0.900c to 0.930c?

A)8.63E-23 kg·m/s

B)1.27E-22 kg·m/s

C)3.96E-22 kg·m/s

D)1.83E-22 kg·m/s

Q3) If astronauts could travel at v = 0.95c,we on Earth would say it takes (4.2/0.95)= 4.4 years to reach Alpha Centauri,4.2 lightyears away.The astronauts disagree.How much time passes on the astronaut's clocks?

A)1.4 years

B)14.1 years

C)4.0 years

D)1.3 years

E)0.4 years

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Chapter 27: Quantum Physics

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Q1) What is the surface temperature of a distant star (which emits light as if it were a blackbody)where the peak wavelength is 422 nm? (Hint: The surface of the human body at 35ºC has a peak wavelength of 9.41 m).(1 nm = 10 ⁹ m = 10^-3 m)

A)12,900 K

B)13,800 K

C)6870 K

D)13,700 K

E)2290 K

Q2) An electron microscope operates with electrons of kinetic energy 58 keV.What is the wavelength of these electrons? Assume this speed is not relativistic.(h = 6.63 × 10 ³⁴ J s,c = 3.00 × 10⁸ m/s,1 eV = 1.60 × 10 ¹⁹ J,and m_e = 9.11 × 10 ³¹ kg)

A)3.57E-20 m

B)7.69E-13 m

C)5.10E-12 m

D)2.28E-10 m

E)1.03E-11 m

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Chapter 28: Atomic Physics

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73 Verified Questions

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

Sample Questions

Q1) According to the Rutherford model of the atom,most of the volume of an atom

A)is empty space.

B)was occupied by the nucleus.

C)contained positive charges.

D)excluded electrons.

Q2) The Bohr model of the hydrogen atom accounts for which quantum number?

A)principal

B)orbital

C)orbital magnetic

D)All of the above.

Q3) The ionization energy of the hydrogen atom is 13.6 eV.What is the wavelength of a photon having this much energy? (h = 6.63 × 10 ³⁴ J s,c = 3.00 × 10⁸ m/s,1 eV = 1.6 × 10 ¹⁹ J,and 1 nm = 10 ⁹ m)

A)91.4 nm

B)136 nm

C)273 nm

D)360 nm

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Chapter 29: Nuclear Physics

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88 Verified Questions

88 Flashcards

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

Sample Questions

Q1) The fact that the binding energy per nucleon does not depend very strongly on the volume of the nucleus indicates that

A)the strong nuclear force saturates.

B)nucleons don't move throughout the nucleus.

C)all nuclei have the same volume.

D)the radius of a nucleus is directly proportional to the number of nucleons.

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) 1 Bq = ________ Ci?

A)1

B)10⁶

C)2.7 × 10^-11

D)3.7 × 10¹⁰

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Page 31

Chapter 30: Nuclear Energy and Elementary Particles

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90 Verified Questions

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Sample Questions

Q1) The cosmic background radiation appears compatible with a blackbody source at what temperature?

A)0.000 3 K

B)0.03 K

C)3 K

D)300 K

Q2) When uranium fissions into two medium-mass nuclei,the product nuclei tend to have an excess of neutrons when compared to stable nuclei.What type of radioactive decay would one expect from these product nuclei?

A)meson decay

B)negative beta decay

C)positive beta decay

D)proton decay

Q3) The law of conservation of strangeness tells us that strangeness is not conserved for which of the following interactions?

A)strong

B)electromagnetic

C)weak

D)All three of the above interactions conserve strangeness.

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Page 32