Physics for Scientists and Engineers Test Bank - 2629 Verified Questions by Quizplus

Physics for Scientists and Engineers

Test Bank

Course Introduction

Physics for Scientists and Engineers is an in-depth course designed to provide students with a comprehensive understanding of fundamental physical principles and their applications, specifically tailored for those pursuing careers in science and engineering fields. Covering core topics such as mechanics, thermodynamics, electromagnetism, optics, and modern physics, the course emphasizes problem-solving skills through mathematical modeling and experimental analysis. By integrating theoretical concepts with practical laboratory experiences, students develop the ability to analyze real-world phenomena, design experiments, and interpret data, which equips them with a robust foundation for advanced study and professional work in scientific and technological disciplines.

Recommended Textbook

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

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46 Chapters

2629 Verified Questions

2629 Flashcards

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Chapter 1: Physics and Measurement

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25 Verified Questions

25 Flashcards

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Sample Questions

Q1) At the end of a year,a motor car company announces that sales of a pickup are down 43% for the year.If sales continue to decrease by 43% in each succeeding year,how long will it take for sales to decrease to zero?

A)1 year

B)2 years

C)3 years

D)4 years

E)More than four years

Answer: E

Q2) A 2.00 m by 3.00 m plate of aluminum has a mass of 324 kg.What is the thickness of the plate? (The density of aluminum is 2.70 × 103 kg/m3. )

Answer: 2.00 cm

Q3) 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

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Chapter 2: Motion in One Dimension

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Sample Questions

Q1) A proton moving along the x axis has an initial velocity of 4.0 × 106 m/s and a constant acceleration of 6.0 × 1012 m/s2.What is the velocity of the proton after it has traveled a distance of 80 cm?

A)5.1 × 106 m/s

B)6.3 × 106 m/s

C)4.8 × 106 m/s

D)3.9 × 106 m/s

E)2.9 × 106 m/s

Answer: A

Q2) Starting from rest,a car travels 1350 meters in 1.00 minute.It accelerated at 1.0 m/s2 until it reached its cruising speed.Then it drove the remaining distance at constant velocity.What was its cruising speed?

Answer: 30 m/s

Q3) A peregrine falcon dives at a pigeon.The falcon starts with zero downward velocity and falls with the acceleration of gravity.If the pigeon is 76.0 m below the initial height of the falcon,how long does it take the falcon to intercept the pigeon?

Answer: 3.94 s

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Chapter 3: Vectors

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Sample Questions

Q1) Refer to Exhibit 3-4.The total displacement of the sailboat,the vector sum of its displacements OB,BC,CD and DE,is

A)1732 m,East.

B)2000 m,Northeast.

C)6298 m,East.

D)8000 m,Southeast.

E)8000 m,East.

Answer: C

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) A space station of diameter 80 m is turning about its axis at a constant rate.If the acceleration of the outer rim of the station is 2.5 m/s2,what is the period of revolution of the space station?

A)22 s

B)19 s

C)25 s

D)28 s

E)40 s

Q2) A motorcycle daredevil wants to ride up a 50.0 m ramp set at a 30.0° incline to the ground.It will launch him in the air and he wants to come down so he just misses the last of a number of 1.00 m diameter barrels.If the speed at the instant when he leaves the ramp is 60.0 m/s,how many barrels can be used?

A)79

B)318

C)332

D)355

E)402

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Chapter 5: The Laws of Motion

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Sample Questions

Q1) In order to jump off the floor,the floor must exert a force on you

A)in the direction of and equal to your weight.

B)opposite to and equal to your weight.

C)in the direction of and less than your weight.

D)opposite to and less than your weight.

E)opposite to and greater than your weight.

Q2) The vector sum of three co-planar forces

A)must be zero.

B)must be perpendicular to one of the three.

C)must be parallel to one of the three.

D)must be perpendicular to the plane.

E)may have any direction in the plane.

Q3) The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N.What is the acceleration of the elevator?

A)11 m/s2 upward

B)1.2 m/s2 upward

C)1.2 m/s2 downward

D)10 m/s2 upward

E)2.4 m/s2 downward

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Page 7

Chapter 6: Circular Motion and Other Applications of

Newtons Laws

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Sample Questions

Q1) Frank says that if you release the string when swinging a ball in a horizontal circle,the ball flies out in the radial direction defined by the string at the instant you release the ball.John says that it flies out along a tangent line perpendicular to the string,and that it then drops straight down to the ground.Which one,if either,is correct?

A)Frank,because the centrifugal force is no longer counteracted by the string.

B)Frank,because balls naturally fly straight out.

C)John,because there is no centrifugal force.

D)John,because balls fall straight down when released.

E)Neither,because although there is no centrifugal force,and the ball's velocity is tangent to the circle at the instant of release,the ball then follows a parabolic trajectory.

Q2) A race car travels 40 m/s around a banked (45° with the horizontal)circular (radius = 0.20 km)track.What is the magnitude of the resultant force on the 80-kg driver of this car?

A)0.68 kN

B)0.64 kN

C)0.72 kN

D)0.76 kN

E)0.52 kN

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Chapter 7: Energy of a System

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Sample Questions

Q1) A baseball is thrown and lands 120 m away.While the ball is in flight,assuming the effect of air friction is negligible,which of the following is true?

A)At maximum height the ball has its greatest kinetic energy.

B)The horizontal component of the baseball's kinetic energy is constant.

C)The vertical component of the baseball's kinetic energy is constant.

D)The mechanical energy of the baseball is greater when nearer to the ground.

E)No answer above is correct.

Q2) A 2.0-kg projectile moves from its initial position to a point that is displaced 20 m horizontally and 15 m above its initial position.How much work is done by the gravitational force on the projectile?

A)+0.29 kJ

B) 0.29 kJ

C)+30 J

D) 30 J

E) 50 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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Chapter 8: Conservation of Energy

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Sample Questions

Q1) Objects A and B,of mass M and 2M respectively,are each pushed a distance d straight up an inclined plane by a force F parallel to the plane.The coefficient of kinetic friction between each mass and the plane has the same value k.At the highest point,

A)KA > KB.

B)KA = KB.

C)KA < KB.

D)The work done by F on A is greater than the work done by F on B.

E)The work done by F on A is less than the work done by F on B.

Q2) A 12-kg projectile is launched with an initial vertical speed of 20 m/s.It rises to a maximum height of 18 m above the launch point.What is the change in mechanical energy caused by the dissipative (air)resistive force on the projectile during this ascent?

A) 0.64 kJ

B) 0.40 kJ

C) 0.52 kJ

D) 0.28 kJ

E) 0.76 kJ

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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Page 10

Chapter 9: Linear Momentum and Collisions

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Sample Questions

Q1) A 10-g bullet moving horizontally with a speed of 2.0 km/s strikes and passes through a 4.0-kg block moving with a speed of 4.2 m/s in the opposite direction on a horizontal frictionless surface.If the block is brought to rest by the collision,what is the kinetic energy of the bullet as it emerges from the block?

A)0.51 kJ

B)0.29 kJ

C)0.80 kJ

D)0.13 kJ

E)20 kJ

Q2) A 4.0-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall.The particle rebounds with a speed of 3.0 m/s.What is the magnitude of the impulse delivered to the particle?

A)24 N s

B)32 N s

C)40 N s

D)30 N s

E)8.0 N s

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

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Sample Questions

Q1) A horizontal disk with a radius of 10 cm rotates about a vertical axis through its center.The disk starts from rest at t = 0 and has a constant angular acceleration of 2.1 rad/s2.At what value of t will the radial and tangential components of the linear acceleration of a point on the rim of the disk be equal in magnitude?

A)0.55 s

B)0.63 s

C)0.69 s

D)0.59 s

E)0.47 s

Q2) Two particles (m1 = 0.20 kg,m2 = 0.30 kg)are positioned at the ends of a 2.0-m long rod of negligible mass.What is the moment of inertia of this rigid body about an axis perpendicular to the rod and through the center of mass?

A)0.48 kg m2

B)0.50 kg m2

C)1.2 kg m2

D)0.80 kg m2

E)0.70 kg m2

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Chapter 11: Angular Momentum

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Sample Questions

Q1) A solid sphere,spherical shell,solid cylinder and a cylindrical shell all have the same mass m and radius R.If they are all released from rest at the same elevation and roll without slipping,which reaches the bottom of an inclined plane first?

A)solid sphere

B)spherical shell

C)solid cylinder

D)cylindrical shell

E)all take the same time

Q2) A torque can be exerted on a body with a fixed axis of rotation

A)only by a centripetal force.

B)only by a force directed radially outwards.

C)only by a tangential force.

D)only by a force with a component directed radially outwards.

E)by any force not pointing directly toward or away from the axis of rotation.

Q3) Halley's comet moves about the sun in an elliptical orbit with its closest approach to the sun being 0.59 A.U.and its furthest distance being 35 A.U.[1 Astronomical Unit (A.U. )is the Earth-sun distance.] If the comet's speed at closest approach is 54 km/s,what is its speed when it is farthest from the sun?

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Chapter 12: Static Equilibrium and Elasticity

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34 Flashcards

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Sample Questions

Q1) Angie says that an object is in equilibrium if the net torques about the center of mass is zero.Robbie says that an object is in equilibrium if the sum of external forces is zero.Which one,if either,is correct?

A)Both are correct: an object is in equilibrium if either condition holds.

B)Neither is correct: both conditions must hold simultaneously.

C)Neither is correct: the net external force and the net external torque about any axis must be zero.

D)Neither is correct: an object is in equilibrium only if its velocity is zero in all coordinate systems.

E)Both are correct: if the sum of the external forces is zero,the net torque about any axis is automatically zero,and vice versa.

Q2) If 1.0 m3 of concrete weighs 5 × 104 N,what is the height of the tallest cylindrical concrete pillar that will not collapse under its own weight? (The compression strength of concrete is 1.7 × 107 N/m2)

Q3) Find the minimum diameter of a steel wire 18 m long that will stretch no more than 9 mm when a load of 380 kg is hung on the lower end.(Y steel = 2.0 × 1011 N/m2).

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Chapter 13: Universal Gravitation

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Sample Questions

Q1) Calculate the Earth's angular momentum in the approximation that treats the Earth's orbit around the sun as a circle.(MSun = 1.99 × 1030 kg;T = 3.156 × 107 s;ME = 5.98 × 1024 kg. )

Q2) A satellite is in a circular orbit about the Earth at an altitude at which air resistance is negligible.Which of the following statements is true?

A)There is only one force acting on the satellite.

B)There are two forces acting on the satellite,and their resultant is zero.

C)There are two forces acting on the satellite,and their resultant is not zero.

D)There are three forces acting on the satellite.

E)None of the preceding statements are correct.

Q3) What is the gravitational force on a 20-kg satellite circling the Earth (radius = 6.4 × 106 m,mass = 6.0 × 1024 kg)with a period of 5.0 h?

A)88 N

B)55 N

C)36 N

D)98 N

E)18 N

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Chapter 14: Fluid Mechanics

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Sample Questions

Q1) A hydraulic lift raises a 2 000-kg automobile when a 500-N force is applied to the smaller piston.If the smaller piston has an area of 10 cm2,what is the cross-sectional area of the larger piston?

A)40 cm2

B)80 cm2

C)196 cm2

D)392 cm2

E)160 cm2

Q2) A thin rectangular piece of wood floats in water.You slowly pour oil with a density equal to that of the wood on the surface of the water until the height of the oil above the water is twice the height of the piece of wood.Which statement is correct?

A)The wood floats on top of the oil,so it sticks up in the air.

B)The wood does not change its position

C)The wood sinks below the surface of the water.

D)The wood is half in the water and half in the oil.

E)The wood floats in the oil just above the water.

Q3) A fountain sends a stream of water 20.0 m up into the air.If the base of the stream is 10.0 cm in diameter,what power is required to send the water to this height?

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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) An automobile (m = 1.00 × 103 kg)is driven into a brick wall in a safety test.The bumper behaves like a spring (k = 5.00 × 106 N/m),and is observed to compress a distance of 3.16 cm as the car is brought to rest.What was the initial speed of the automobile?

Q3) The amplitude of a system moving with simple harmonic motion is doubled.The total energy will then be

A)4 times as large

B)3 times as large

C)2 times as large

D)the same as it was E)half as much

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Page 17

Chapter 16: Wave Motion

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Sample Questions

Q1) The lowest A on a piano has a frequency of 27.5 Hz.If the tension in the 2.00-m string is 308 N,and one-half wavelength occupies the string,what is the mass of the wire?

A)0.025 kg

B)0.049 kg

C)0.051 kg

D)0.081 kg

E)0.037 kg

Q2) Write the equation of a wave,traveling along the +x axis with an amplitude of 0.02 m,a frequency of 440 Hz,and a speed of 330 m/sec.

A)y = 0.02 sin [880 (x/330 t)]

B)y = 0.02 cos [880 x/330 440t]

C)y = 0.02 sin [880 (x/330 + t)]

D)y = 0.02 sin [2 (x/330 + 440t)]

E)y = 0.02 cos [2 (x/330 + 440t)]

Q3) Bats can detect small objects such as insects that are of a size approximately that of one wavelength.If bats emit a chirp at a frequency of 60 kHz,and the speed of sound in air is 340 m/s,what is the smallest size insect they can detect?

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Chapter 17: Sound Waves

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Sample Questions

Q1) The variation in the pressure of helium gas,measured from its equilibrium value,is given by P = 2.9 × 10 5 cos (6.20x 3 000t)where x and t have units m and s.Determine the speed (in m/s)of the wave.

A)1 515

B)153

C)484

D)828

E)101

Q2) Determine the intensity (in W/m2)of a harmonic longitudinal wave with a pressure amplitude of 8.0 × 10 3 N/m2 propagating down a tube filled with helium.( = 0.179 kg/m3,v = 972 m/s. )

A)3.7 × 10 7

B)1.8 × 10 7

C)9.2 × 10 8

D)4.6 × 10 8

E)1.5 × 10 9

Q3) A bat,flying at 5.00 m/s,emits a chirp at 40.0 kHz.If this sound pulse is reflected by a wall,what is the frequency of the echo received by the bat? (vsound = 340 m/s. )

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Page 19

Chapter 18: Superposition and Standing Waves

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Sample Questions

Q1) Tuning forks #1,#2,and #3 each have slightly different frequencies.When #1 and #2 are sounded together,a beat frequency of 3 Hz results.When #2 and #3 are sounded together,a beat frequency of 5 Hz results.If the frequency of #1 is 100 Hz,which of the following cannot be the frequency of #3?

A)92 Hz

B)95 Hz

C)98 Hz

D)102 Hz

E)108 Hz

Q2) When two organ pipes each closed at one end sound a perfect fifth,such as two notes with fundamental frequencies at 440 Hz and 660 Hz,both pipes produce overtones.Which choice below correctly describes overtones present in both pipes?

A)440,880 and 1 320 Hz.

B)660,1 320 and 1 980 Hz.

C)880,1 320 and 1 760 Hz.

D)1 320,2 640 and 3 960 Hz.

E)They have no overtones in common.

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Page 20

Chapter 19: Temperature

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Sample Questions

Q1) What is the change in area (in cm2)of a 60.0 cm by 150 cm automobile windshield when the temperature changes from 0° C to 36.0° C.The coefficient of linear expansion of this glass is 9.0 × 10 6/°C.

A)1.6

B)2.9

C)3.2

D)4.9

E)5.8

Q2) A pressure of 10.0 mm Hg is measured using a constant-volume gas thermometer at a temperature of 50.0°C.What is the pressure (in mm Hg)at the zero-point temperature?

A)31.8

B)11.8

C)8.45

D)54.6

E)68.3

Q3) 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) Gas in a container expands at a constant pressure of 3 atm.Find the work done (in J)by the gas if the initial volume is 5 liters and the final volume is 10 liters.

A)0

B)150

C)15

D)1 500

E)1.5

Q2) A 5-g coin is dropped from a 300-m building.If it reaches a terminal velocity of 45 m/s,and the rest of the energy is converted to heating the coin,what is the change in temperature (in °C)of the coin? (The specific heat of copper is 387 J/kg °C. )

A)9

B)2

C)5

D)21

E)0.5

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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Sample Questions

Q1) Find the specific heat (in cal/mole K)of a gas kept at constant volume when it takes 1.0 × 104 J of heat to raise the temperature of 5.0 moles of the gas 200 K above the initial temperature.

A)7.5

B)5.0

C)2.4

D)10

E)20

Q2) 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)

Q3) One mole of hydrogen,one mole of nitrogen and one mole of oxygen are held in a 22.4 × 103 cm3 enclosed vessel at 20°C.The pressure in the vessel,in N/m2,is

A)109.

B)304.

C)326.

D)1.09 × 105.

E)3.26 × 105.

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Page 23

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

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Sample Questions

Q1) A heat engine absorbs 2 500 J of heat from a hot reservoir and expels 1 000 J to a cold reservoir.When it is run in reverse,with the same reservoirs,the engine pumps 2 500 J of heat to the hot reservoir,requiring 1 500 J of work to do so.Find the ratio of the work done by the heat engine to the work done by the pump.Is the heat engine reversible?

A)1.0 (no)

B)1.0 (yes)

C)1.5 (yes)

D)1.5 (no)

E)2.5 (no)

Q2) The change in entropy of a mass m of a solid substance which has a latent heat of fusion L and melts at a temperature T is

A)LT/m

B)mL ln(T)

C)mLT

D)mL/T

E)L/mT

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Chapter 23: Electric Fields

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Sample Questions

Q1) Three pith balls supported by insulating threads hang from a support.We know that ball X is positively charged.When ball X is brought near balls Y and Z without touching them,it attracts Y and repels Z.Since pith is an insulating material,we can conclude that

A)Y has a negative charge.

B)Z has a negative charge.

C)Y has a positive charge.

D)Z is neutral (has no net charge.)

E)Y is negatively charged or neutral (has no net charge.)

Q2) Each of two small non-conducting spheres is charged positively,the combined charge being 40 C.When the two spheres are 50 cm apart,each sphere is repelled from the other by a force of magnitude 2.0 N.Determine the magnitude of the smaller of the two charges.

A)1.4 C

B)1.1 C

C)2.0 C

D)3.3 C

E)17 C

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Chapter 24: Gausss Law

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Sample Questions

Q1) A uniform linear charge density of 4.0 nC/m is distributed along the entire x axis.Consider a spherical (radius = 5.0 cm)surface centered on the origin.Determine the electric flux through this surface.

A)68 N m2/C

B)62 N m2/C

C)45 N m2/C

D)79 N m2/C

E)23 N m2/C

Q2) 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

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Chapter 25: Electric Potential

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Sample Questions

Q1) Identical point charges (+20 C)are placed at the corners of an equilateral triangle with sides of 2.0-m length.How much external energy is required to bring a charge of 45 C from infinity to the midpoint of one side of the triangle?

A)26 J

B)16 J

C)23 J

D)21 J

E)12 J

Q2) The electric field in a region of space is given by Ex = (3.0x)N/C,Ey = Ez = 0,where x is in m.Points A and B are on the x axis at xA = 3.0 m and xB = 5.0 m.Determine the potential difference VB VA.

A) 24 V

B)+24 V

C) 18 V

D)+30 V

E) 6.0 V

Q3) How much electrical charge is needed to raise an isolated metal sphere of radius 1.0 m to a potential of 1.0 × 106 V?

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Page 27

Chapter 26: Capacitance and Dielectrics

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Sample Questions

Q1) 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?

Q2) A 15- F capacitor and a 30- F capacitor are connected in series,and charged to a potential difference of 50 V.What is the resulting charge on the 30- F capacitor?

A)0.70 mC

B)0.80 mC

C)0.50 mC

D)0.60 mC

E)0.40 mC

Q3) A 200-volt battery is connected to a 0.50-microfarad parallel-plate,air-filled capacitor.Now the battery is disconnected,with care taken not to discharge the plates.Some Pyrex glass is then inserted between the plates,completely filling up the space.What is the final potential difference between the plates? (The dielectric constant for Pyrex is = 5.6. )

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Chapter 27: Current and Resistance

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Q1) The electron density in copper is 8.49 × 1028 electrons/m3.The electron charge is e = 1.60 × 10 19 C.When a 1.00 A current is present in a copper wire with a 0.40 cm2 cross-section,the electron drift velocity,in m/s,with direction defined relative to the current density,is

A) 1.84 × 10 6.

B)+1.84 × 10 6.

C) 1.84.

D) 5.43 × 105.

E)+5.43 × 105.

Q2) A light bulb is rated at 30 W when operated at 120 V.How much charge enters (and leaves)the light bulb in 1.0 min?

A)17 C

B)15 C

C)14 C

D)13 C

E)60 C

Q3) What is the resistance of 1 000 m of 4-mm diameter copper wire? ( Cu = 1.7 × 10-8 m)

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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) In an RC circuit,what fraction of the final energy is stored in an initially uncharged capacitor after it has been charging for 3.0 time constants?

A)0.84

B)0.90

C)0.75

D)0.60

E)0.03

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Chapter 29: Magnetic Fields

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Q1) 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]

Q2) What is the kinetic energy of an electron that passes undeviated through perpendicular electric and magnetic fields if E = 4.0 kV/m and B = 8.0 mT?

A)0.65 eV

B)0.71 eV

C)0.84 eV

D)0.54 eV

E)1.4 eV

Q3) A stream of electrons passes through a velocity filter where the crossed magnetic and electric fields are 0.020 T and 5.00 × 104 V/m,respectively.Find the kinetic energy (in electron volts)of the electrons passing through the filter.[1 eV = 1.60 × 10 19 J]

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Chapter 30: Sources of the Magnetic Field

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Q1) A long solenoid (n = 80 turns/cm)carries a current of 70 mA.Determine the magnitude of the magnetic field inside the solenoid.

Q2) Each of two parallel wires separated by 8.0 mm carries a 20-A current.These two currents are oppositely directed.Determine the magnitude of the magnetic field at a point that is 5.0 mm from each of the wires.

A)2.0 mT

B)1.6 mT

C)1.3 mT

D)1.8 mT

E)1.0 mT

Q3) A long solenoid (n = 1200 turns/m,radius = 2.0 cm)has a current of a 0.30 A in its winding.A long wire carrying a current of 20 A is parallel to and 1.0 cm from the axis of the solenoid.What is the magnitude of the resulting magnetic field at a point on the axis of the solenoid?

A)0.60 mT

B)0.85 mT

C)52 T

D)0.40 mT

E)0.75 mT

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Page 32

Chapter 31: Faradays Law

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Q1) A long solenoid has a radius of 2.0 cm and has 700 turns/m.If the current in the solenoid is decreasing at the rate of 8.0 A/s,what is the magnitude of the induced electric field at a point 2.5 cm from the axis of the solenoid?

A)56 V/m

B)8.8 V/m

C)88 V/m

D)69 V/m

E)44 V/m

Q2) A circular loop (area = 0.20 m2)turns in a uniform magnetic field with B = 0.13 T.At an instant when the angle between the magnetic field and the normal to the plane of the loop is ( )rads and is decreasing at the rate of 0.50 rad/s,what is the magnitude of the emf induced in the loop?

A)zero

B)13 mV

C)26 mV

D)20 mV

E)18 mV

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Page 33

Chapter 32: Inductance

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Q1) 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.

Q2) A circuit contains two inductors of 6.0 mH inductance in parallel placed in series with an inductor of 8.0 mH inductance.After one of the 6.0 mH inductors burns out,the repairman 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 he use?

A)3.0 mH

B)3.4 mH

C)4.8 mH

D)11 mH

E)20 mH

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) What is the average power dissipation in an RLC series circuit with R = 10 ,L = 0.1 H,C = 10 F when driven at resonance by a 100 V-rms source?

A)100 W

B)500 W

C)1000 W

D)2 kW

E)700 W

Q2) A 2.0- F capacitor in series with a 2.0-k resistor is connected to a 60-Hz ac source.Calculate the impedance of the circuit.

A)1 500 ohms

B)1 800 ohms

C)2 100 ohms

D)2 400 ohms

E)8 600 ohms

Q3) An ac power generator produces 50 A (rms)at 3600 V.The voltage is stepped up to 100000 V by an ideal transformer and the energy is transmitted through a long distance power line which has a resistance of 100 ohms.What percentage of the power delivered by the generator is dissipated as heat in the long-distance power line?

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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) Find the force exerted by reflecting sunlight off a reflecting aluminum sheet in space if the area normal to the sunlight is 10000 m2 and the solar intensity is 1350 W/m2.

A)0.72 N

B)0.09 N

C)9 N

D)45 N

E)0.18 N

Q3) The sun radiates energy at a rate of 3.86 × 1026 W.Its radius is 7.0 × 108 m.If the distance from the Earth to the sun is 1.5 × 1011 m,what is the intensity of solar radiation at the top of the Earth's atmosphere?

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

Optics

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Q1) 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

Q2) A layer of water (n = 1.333)floats on carbon tetrachloride (n = 1.461)contained in an aquarium.To the nearest degree,what is the critical angle at the interface between the two liquids?

A)88°

B)78°

C)66°

D)58°

E)43°

Q3) The laws of refraction and reflection are the same for sound as for light.The speed of sound in air is 340 m/s and in water it is 1510 m/s.If a sound wave approaches a plane water surface at an angle of incidence of 12.0°,what is the angle of refraction?

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Chapter 36: Image Formation

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Q1) An object 4 cm high is placed 15 cm in front of a convex mirror with a focal length of 10 cm.What is the image position (in cm)?

A) 8

B) 4

C) 2

D) 6

E)30

Q2) The actual depth of a shallow pool 1.00 m deep is not the same as the apparent depth seen when you look straight down at the pool from above.How deep (in cm)will it appear to be? (nwater = 1.33. )

A)133

B)75.2

C)90.6

D)117

E)100

Q3) Suppose an object is placed 6.0 cm in front of a lens that has a focal length of 4.0 cm.Where is the image located? What are the magnification and the character of the image?

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Chapter 37: Wave Optics

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Q1) Ray says that interference effects cannot be observed with visible light because random phase changes occur in time intervals less than a nanosecond.Stacy says that doesn't matter if collimated light from a single source reaches multiple openings.(They are arguing about a light source 50.0 cm away from two 0.010 0 mm-wide slits,2.00 mm apart,with a screen 1.00 m away from the slits. )Which one,if either,is correct,and why?

A)Ray,because the phases at the two slits will be random and different.

B)Ray,because it takes light over 3 ns to travel 1.00 m to the screen.

C)Stacy,because the difference in time of travel from the source to the slits is no more than about 7 × 10 12 s.

D)Stacy,but only if a lens is placed in front of the slits.

E)Both,because interference of light never occurs outside a physics lab.

Q2) Monochromatic light ( = 500 nm)is incident on a soap bubble (n = 1.40).What is the wavelength of the light (in nm)in the bubble film?

A)255

B)500

C)700

D)357

E)422

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Page 39

Chapter 38: Diffraction Patterns and Polarization

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Q1) 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.

Q2) If the polarizing angle (the angle at which reflected light is completely plane polarized)of a flat piece of sapphire is 60.5°,what is its index of refraction?

A)1.97

B)1.77

C)1.59

D)2.36

E)1.82

Q3) Light from a helium-neon laser ( = 632.8 nm)is incident upon a 0.200-mm wide slit.Find the total width of the central maximum 2.00 m from the slit.

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Chapter 39: Relativity

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Q1) The half-life of a muon is 2.2 s.How fast is it moving relative to an observer who says its half-life is 4.4 s?

A)0.87 c

B)0.75 c

C)0.97 c

D)0.72 c

E)0.50 c

Q2) A spaceship moving past the Earth with a speed of 0.800 c signals to the Earth with pulsed laser photons emitted at 10.0-second intervals according to the spaceship's clock.According to observers on Earth who see the flashes,the time interval they measure is

A)13.4 s

B)16.7 s

C)12.5 s

D)9.70 s

E)6.03 s

Q3) 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?

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Page 41

Chapter 40: Introduction to Quantum Physics

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Q1) What is the maximum velocity (in km/s)of a photoelectron emitted from a surface whose work function is 5.0 eV when illuminated by a light whose wavelength is 200 nm?

A)460

B)650

C)420

D)550

E)1 480

Q2) What is the maximum kinetic energy (in eV)of a photoelectron emitted from a surface whose work function is 5.0 eV when illuminated by a light whose wavelength is 200 nm?

A)1.9

B)1.2

C)3.1

D)zero

E)6.2

Q3) What is the shortest x-ray wavelength that can be produced in a 12-keV x-ray machine?

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) When a particle approaching a potential step has a total energy that is greater than the potential step,what is the probability that the particle will be reflected?

A)P < 0.

B)P = 0.

C)P = 1.

D)P > 0.

E)P = .

Q2) A particle is in the second excited state of a one-dimensional box of length 1.0 m.What is its momentum (in kg m/s)?

A)6.6 × 10 34

B)3.3 × 10 34

C)9.9 × 10 34

D)13 × 10 34

E)cannot be solved unless mass of particle is known

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Chapter 42: Atomic Physics

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Q1) The ground state configuration of chlorine (Z = 17)is

A)1s2 2s2 2p5 3s2 3p6

B)1s2 2s2 2p6 3s2 3p5

C)1s2 2s2 2p6 3s2 3p4 3d1

D)1s2 2s2 2p6 3s2 3p5 4s1

E)1s2 2s2 2p6 3s1 3p7

Q2) Characteristic x-rays can be produced by bombarding targets with electrons.These x-rays occur when

A)electrons from higher shells fill the vacant lower shell

B)electrons fill the vacant valence shell

C)photons are emitted with energies on the order of 103 eV

D)photons are emitted with wavelengths on the order of 103 nm

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?

Q4) The energy difference between the upper and lower levels in a certain laser is 1.9593 eV.What is the wavelength of the light emitted by the laser?

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Chapter 43: Molecules and Solids

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Q1) Because HF,hydrogen fluoride,is a covalent gaseous molecule at room temperature,we might reasonably expect that at room temperature HCl,hydrogen chloride,is

A)a covalent gaseous molecule.

B)a covalent solid.

C)a metallic gas.

D)a metallic solid.

E)an ionic solid.

Q2) Assume a diatomic molecule can be considered to be two point masses separated by a distance r.The center of mass of the system is located a distance x from m1,equal to A)m1r/(m1 + m2)

B)m2r/(m1 + m2) C)(m1 + m2)r/m1 D)(m1 + m2)r/m2 E)r(m2/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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Page 45

Chapter 44: Nuclear Structure

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Q1) Find the binding energy per nucleon (in MeV/nucleon)of carbon-12.

Assume:

MC = 12.000 000 u

M p = 1.007 825 u

M n = 1.008 665 u

U = 1.66 × 10 27 kg

A)1.2

B)4.2 × 10 2

C)7.4

D)7.7

E)5.6

Q2) How many radioactive atoms are present in a sample that has an activity of 0.5 Ci and a half-life of 10 years? (1 curie = 3.7 × 1010 decays/s)

A)9.5 × 1012 atoms

B)8.4 × 1012 atoms

C)7.3 × 1012 atoms

D)6.5 × 1012 atoms

E)2.7 × 105 atoms

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Chapter 45: Applications of Nuclear Physics

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Q1) 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.

Q2) 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)

Q3) In neutron capture by an atomic nucleus,the atomic number changes by A) 2.

B) 1.

C)0.

D)+1. E)+2.

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Page 47

Chapter 46: Particle Physics and Cosmology

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Q1) Which one of the following is not true of neutrinos?

A)They have no charge.

B)They have no spin.

C)One type of neutrino may change into another type of neutrino.

D)They are leptons.

E)They do not take part in strong nuclear interactions.

Q2) An electron and a positron (antielectron),both nearly at rest,collide.What particle(s)is(are)produced?

A)One photon of energy 1.02 MeV

B)Two photons of energy 511 keV

C)A pi-meson

D)A K-meson and an anti-neutrino

Q3) The law of conservation of baryon number is that

A)the total number of baryons and leptons is conserved.

B)the total number of baryons is conserved.

C)the (number of baryons) (number of antibaryons)is conserved.

D)the total number of quarks is conserved.

E)the (number of baryons)+ (number of antibaryons)is conserved.

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