Algebra-Based Physics Practice Questions - 3126 Verified Questions

Algebra-Based Physics Practice

Questions

Course Introduction

Algebra-Based Physics is an introductory course that explores the fundamental principles of physics using algebraic methods rather than calculus. The course covers key topics such as mechanics, motion, forces, energy, momentum, waves, electricity, magnetism, and basic concepts in modern physics. Emphasis is placed on developing problem-solving skills, applying algebraic techniques to analyze physical phenomena, and understanding the real-world applications of physics principles. This course is ideal for students seeking a conceptual and quantitative understanding of physics without extensive use of advanced mathematics.

Recommended Textbook Physics 5th Edition by James S. Walker

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32 Chapters

3126 Verified Questions

3126 Flashcards

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Page 2

Chapter 1: Introduction to Physics

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Sample Questions

Q1) Express 50 mi/h in units of meters per second.(1 mi = 1609 m)

A)49 m/s

B)2.2 m/s

C)22 m/s

D)45 m/s

Answer: C

Q2) Given that 1.00 in.= 2.54 cm and 1.00 yd = 36.0 in. ,how many meters are in 7.00 yd?

A)6.40 m

B)36.3 m

C)640 m

D)1.78 × 10³ m

Answer: A

Q3) The radius of the earth is 3963 mi.Which one of the following numbers is closest to the surface area of the earth? (1.0 mi = 1609 m)

A)4.9 × 10⁷ m²

B)1.3 × 10¹⁴ m²

C)2.6 × 10¹⁴ m²

D)5.1 × 10¹⁴ m²

Answer: D

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Page 3

Chapter 2: One-Dimensional Kinematics

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Sample Questions

Q1) A car is traveling with a constant speed when the driver suddenly applies the brakes,causing the car to slow down with a constant acceleration of magnitude 3.50 m/s².If the car comes to a stop in a distance of 30.0 m,what was the car's original speed?

A)10.2 m/s

B)14.5 m/s

C)105 m/s

D)210 m/s

E)315 m/s

Answer: B

Q2) An object is thrown upwards with a speed of 16 m/s.How long does it take it to reach a height of 7.0 m on the way up? Neglect air resistance.

A)0.52 s

B)1.2 s

C)2.4 s

D)3.1 s

E)4.2 s

Answer: A

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4

Chapter 3: Vectors in Physics

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Sample Questions

Q1) If a vector's components are all negative,then the magnitude of the vector is negative.

A)True

B)False

Answer: False

Q2) A boat,whose speed in still water is 8.0 m/s,crosses a river with a current of 6.0 m/s.If the boat heads perpendicular to the current,what is the speed of the boat relative to an observer standing on the shore as it crosses the river?

A)5.3 m/s

B)6.0 m/s

C)8.0 m/s

D)10.0 m/s

Answer: D

Q3) The magnitude of a vector an only zero if all of its components are zero.

A)True

B)False

Answer: True

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Page 5

Chapter 4: Two-Dimensional Kinematics

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Sample Questions

Q1) A hobbyist launches a projectile from ground level on a horizontal plain.It reaches a maximum height of 72.3 m and lands 111 m from the launch point,with no appreciable air resistance.What was the angle of launch if g = 9.80 m/s²?

A)69.0°

B)67.4°

C)22.6°

D)44.8°

Q2) James and John dive from an overhang into the lake below.James simply drops straight down from the edge.John takes a running start and jumps with an initial horizontal velocity of 25 m/s.If there is no air resistance,when they reach the lake below

A)the splashdown speed of James is larger than that of John.

B)the splashdown speed of John is larger than that of James.

C)they will both have the same splashdown speed.

D)the splashdown speed of James must be 9.8 m/s larger than that of John.

E)the splashdown speed of John must be 25 m/s larger than that of James.

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6

Chapter 5: Newtons Laws of Motion

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Sample Questions

Q1) The acceleration due to gravity is lower on the Moon than on Earth.Which one of the following statements is true about the mass and weight of an astronaut on the Moon's surface,compared to Earth?

A)Mass is less,weight is the same.

B)Mass is the same,weight is less.

C)Both mass and weight are less.

D)Both mass and weight are the same.

Q2) A 1200-kg car is pulling a 500-kg trailer along level ground.Friction of the road on the trailer is negligible.The car accelerates with an acceleration of 1.3 m/s².What is the force exerted by the car on the trailer?

A)550 N

B)600 N

C)650 N

D)700 N

E)750 N

Q3) In order to get an object moving,you must push harder on it than it pushes back on you.

A)True

B)False

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Page 7

Chapter 6: Applications of Newtons Laws

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Sample Questions

Q1) A 3.0-kg and a 5.0-kg box rest side-by-side on a perfectly smooth,level floor.A horizontal force of 32 N is applied to the 3.0-kg box pushing it against the 5.0-kg box,and,as a result,both boxes slide along the floor.How hard do the two boxes push against each other?

A)12 N

B)20 N

C)24 N

D)32 N

E)0 N

Q2) An object moves in a circular path at a constant speed.Compare the direction of the object's velocity and acceleration vectors.

A)Both vectors point in the same direction.

B)The vectors point in opposite directions.

C)The vectors are perpendicular to each other.

D)The acceleration is zero but the velocity is constant.

Q3) The Moon is accelerated toward the earth,so it is gradually getting closer to the earth.

A)True

B)False

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Page 8

Chapter 7: Work and Kinetic Energy

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Sample Questions

Q1) A 1000-kg car experiences a net force of 9500 N while slowing down from 30 m/s to 15.9 m/s. How far does it travel while slowing down?

A)34 m

B)31 m

C)37 m

D)41 m

Q2) If the force on an object is in the negative direction,the work it does on the object must be

A)negative.

B)positive.

C)The work could be either positive or negative,depending on the direction the object moves.

Q3) What is the minimum energy needed to change the speed of a 1600-kg sport utility vehicle from 15.0 m/s to 40.0 m/s?

A)1.10 MJ

B)10.0 kJ

C)20.0 kJ

D)40.0 kJ

E)0.960 MJ

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Page 9

Chapter 8: Potential Energy and Conservation of Energy

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Sample Questions

Q1) A 5.0-N projectile leaves the ground with a kinetic energy of 220 J.At the highest point in its trajectory,its kinetic energy is 120 J.To what vertical height,relative to its launch point,did it rise if there was no air resistance?

A)44 m

B)24 m

C)20 m

D)10 m

E)It is impossible to determine the height without knowing the angle of launch.

Q2) A lightweight object and a very heavy object are sliding with equal speeds along a level frictionless surface.They both slide up the same frictionless hill with no air resistance.Which object rises to a greater height?

A)The heavy object,because it has greater initial kinetic energy.

B)The light object,because gravity slows it down less.

C)The lightweight object,because the force of gravity on it is less.

D)The heavy object,because it has more mass to carry it up the hill.

E)They both slide to exactly the same height.

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Chapter 9: Linear Momentum and Collisions

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Sample Questions

Q1) A golf club exerts an average horizontal force of 1000 N on a 0.045-kg golf ball that is initially at rest on the tee.The club is in contact with the ball for 1.8 ms.What is the speed of the golf ball just as it leaves the tee?

A)30 m/s

B)35 m/s

C)40 m/s

D)45 m/s

E)50 m/s

Q2) In a game of pool,the white cue ball hits the #5 ball and stops,while the #5 ball moves away with the same velocity as the cue ball had originally.Both balls have the same mass.This type of collision is

A)somewhat inelastic.

B)elastic.

C)completely inelastic.

Q3) In an inelastic collision involving an isolated system,the final total momentum is

A)exactly the same as the initial momentum.

B)more than the initial momentum.

C)less than the initial momentum.

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11

Chapter 10: Rotational Kinematics and Energy

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Sample Questions

Q1) A wheel having a moment of inertia of 5.00 kg m² starts from rest and accelerates under a constant torque of 3.00 N m for 8.00 s.What is the wheel's rotational kinetic energy at the end of 8.00 s?

A)57.6 J

B)64.0 J

C)78.8 J

D)122 J

Q2) A small uniform disk and a small uniform sphere are released simultaneously at the top of a high inclined plane,and they roll down without slipping.Which one will reach the bottom first?

A)the one of smallest diameter

B)the one of greatest mass

C)the disk

D)the sphere

E)They will reach the bottom at the same time.

Q3) What is the angular speed,in rad/s,of a flywheel turning at 813.0 rpm?

A)85.14 rad/s

B)13.53 rad/s

C)63.84 rad/s

D)95.33 rad/s

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Chapter 11: Rotational Dynamics and Static Equilibrium

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Sample Questions

Q1) A 385-g tile hangs from one end of a string that goes over a pulley with a moment of inertia of 0.0125 kg.m². And a radius of 15.0 cm.A mass of 710 g hangs from the other end of the string.When the tiles are released,the larger one accelerates downward while the lighter one accelerates upward.The pulley has no friction in its axle and turns without the string slipping.What is the tension in the string on the side of the 710-g tile?

A)9.77 N

B)6.87 N

C)5.59 N

D)4.41 N

E)3.68 N

Q2) When a car is weighed,it is driven slowly on a horizontal floor over a scale that records a reading as the front wheels go over the scale,and then records a second reading as the rear wheels go over the scale.The weight of the car is equal to

A)the weight under the front wheels.

B)the weight under the rear wheels.

C)the average of the two weights.

D)the sum of the two weights.

E)the difference of the two weights.

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Chapter 12: Gravity

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Sample Questions

Q1) The innermost satellite of Jupiter orbits the planet with a radius of 422 × 10³ km and a period of 1.77 days.What is the mass of Jupiter? (G = 6.67 × 10^-11 N m²/kg²)

A)1.33 × 10²⁷ kg

B)1.50 × 10²⁷ kg

C)1.72 × 10²⁷ kg

D)1.89 × 10²⁷ kg

E)3.08 × 10²⁷ kg

Q2) Two small objects,with masses m and M,are originally a distance r apart,and the magnitude of the gravitational force on each one is F.The masses are changed to 2m and 2M,and the distance is changed to 4r.What is the magnitude of the new gravitational force?

A)F/16

B)F/4

C)16F

D)4F

E)F/2

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Page 14

Chapter 13: Oscillations About Equilibrium

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Sample Questions

Q1) If your heart is beating at 76.0 beats per minute,what is the frequency of your heart's oscillations in hertz?

A)4560 Hz

B)1450 Hz

C)3.98 Hz

D)2.54 Hz

E)1.27 Hz

Q2) If we double the frequency of a system undergoing simple harmonic motion,which of the following statements about that system are true? (There could be more than one correct choice. )

A)The period is doubled.

B)The angular frequency is doubled.

C)The amplitude is doubled.

D)The period is reduced to one-half of what it was.

E)The angular frequency is reduced to one-half of what it was.

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15

Chapter 14: Waves and Sound

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Sample Questions

Q1) What is the frequency of a pressure wave of wavelength 2.5 m that is traveling at 1400 m/s?

A)178 Hz

B)1.78 kHz

C)560 Hz

D)5.6 kHz

Q2) If the frequency of a violin string is to be increased by 20%,what change in tension must be applied?

A)44%

B)20%

C)4.5%

D)10%

Q3) In a resonating pipe that is open at both ends,there

A)are displacement nodes at each end.

B)are displacement antinodes at each end.

C)is a displacement node at one end and a displacement antinode at the other end.

D)None of the above choices are correct.

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Chapter 15: Fluids

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Sample Questions

Q1) Motor oil,with a viscosity of 0.25 N s/m²,is flowing through a tube that has a radius of 3.0 mm and is 1.0 m long.The drop in pressure over the length of the tube is 200 kPa.What is the average speed of the oil?

A)0.80 m/s

B)0.90 m/s

C)1.0 m/s

D)1.1 m/s

E)1.2 m/s

Q2) What force does the water exert (in addition to that due to atmospheric pressure)on a submarine window of radius 44.0 cm at a depth of 9,400 m in sea water? The density of sea water is 1025 kg/m³.

A)5.74 × 10⁷_N

B)5.74 × 10¹¹_N

C)2.87 × 10¹¹_N

D)1.83 × 10⁷_N

E)2.87 × 10⁷_N

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Chapter 16: Temperature and Heat

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Sample Questions

Q1) A quantity of mercury occupies 400.0 cm³ at 0°C.What volume will it occupy when heated to 50°C? Mercury has a volume expansion coefficient of 180 × 10^-6 K^-1.

A)450 cm³

B)409.7 cm³

C)403.6 cm³

D)401.8 cm³

Q2) The coefficient of volume expansion of a certain olive oil is 0.68 × 10^-3 K^-1.A 1.0-L glass beaker is filled to the brim with olive oil at room temperature.The beaker is placed on a range and the temperature of the oil and beaker increases by 25°C.As a result,0.0167 L of olive oil spills over the top of the beaker.Which of the following values is closest to the coefficient of linear expansion of the glass from which the beaker is made?

A)1 × 10^-6 K^-1

B)4 × 10^-6 K^-1

C)1 × 10^-5 K^-1

D)2 × 10^-5 K^-1

E)3 × 10^-5 K^-1

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Chapter 17: Phases and Phase Changes

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Sample Questions

Q1) A metal has a latent heat of fusion of 2.32 × 10⁴ J/kg,a specific heat of 128 J/kg K,and a melting point of 228°C.A 30-g pellet of this metal at 16°C hits a solid wall and comes to a complete stop.What would the speed of the pellet have to be in order for it to melt completely when it hits the wall,assuming that all of its kinetic energy is transformed into heat within the pellet?

A)207 m/s

B)215 m/s

C)232 m/s

D)273 m/s

E)317 m/s

Q2) A 3.9-L volume of ideal neon gas (monatomic)is at a pressure of 5.6 aym and a temperature of 330 K. The atomic mass of neon is 20.2 g/mol. The temperature of the gas is now increased to 430 K and the volume is increased to 5.9 L.

What is the final pressure of the gas?

A)4.8 atm

B)4.3 atm

C)5.3 atm

D)5.8 atm

E)6.3 atm

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Chapter 18: The Laws of Thermodynamics

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Sample Questions

Q1) During an isothermal process,5.0 J of heat is removed from an ideal gas.What is the work done by the gas in the process?

A)0 J

B)5.0 J

C)-5.0 J

D)-10 J

Q2) A heat pump absorbs heat from the atmosphere at a rate of 30 kW.If work is being done to run this heat pump at a rate of 7.7 kW,what is the coefficient of performance (COP)of the heat pump?

A)3.9

B)4.9

C)2.9

D)0.26

E)22

Q3) When a gas expands adiabatically,

A)the internal (thermal)energy of the gas decreases.

B)the internal (thermal)energy of the gas increases.

C)it does no work.

D)work is done on the gas.

E)the temperature of the gas remains constant.

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Chapter 19: Electric Charges, Forces, and Fields

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Sample Questions

Q1) Three point charges are located on the x-axis at the following positions: Q₁ = +2.00 C is at x = 1.00 m,Q₂ = +3.00 C is at x = 0.00,and Q₃ = -5.00 C is at x = -1.00 m.What is the magnitude of the electric force on Q2? (k = 1/4 ₀ = 8.99 × 10⁹ N m²/C²)

A)0.0540 N

B)0.135 N

C)0.158 N

D)0.0810 N

E)0.189 N

Q2) A small object with a 5.0- C charge is accelerating horizontally on a friction-free surface at 0.0050 m/s2 due only to an electric field.If the object has a mass of 2.0 g,what is the magnitude of the electric field?

A)2.0 N/C

B)4.0 N/C

C)0.0020 N/C

D)0.0040 N/C

E)1.0 N/C

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Chapter 20: Electric Potential and Electric

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Sample Questions

Q1) Measurements show that it takes 0.30 mJ of work to move 5.0- C of charge from one plate to another of a certain air-filled capacitor while the potential difference between these plates is kept constant.What is the potential difference between the plates of this capacitor?

A)60 V

B)81 V

C)55 V

D)23 V

E)0 V

Q2) Which of the following changes will increase the capacitance of a parallel-plate capacitor? (There could be more than one correct choice. )

A)increase the charge on the plates

B)decrease the potential between the plates

C)increase the potential between the plates

D)introduce a dielectric material between the plates

E)decrease the separation between the plates

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Chapter 21: Electric Current and Direct-Current Circuits

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Sample Questions

Q1) You obtain a 100-W light bulb and a 50-W light bulb.Instead of connecting them in the normal way,you devise a circuit that places them in series across normal household voltage.If each one is an incandescent bulb of fixed resistance,which statement about these bulbs is correct?

A)Both bulbs glow with the same brightness,but less than their normal brightness.

B)Both bulbs glow with the same brightness,but more than their normal brightness.

C)The 100-W bulb glows brighter than the 50-W bulb.

D)The 50-W bulb glows more brightly than the 100-W bulb.

Q2) The length of a certain wire is doubled and at the same time its radius is reduced by a factor of 2.What is the new resistance of this wire?

A)It is 2 times as large.

B)It is 4 times as large.

C)It is 6 times as large.

D)It it 8 times as large.

E)It is 1/2 as large.

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23

Chapter 22: Magnetism

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Sample Questions

Q1) A high power line carries a current of 1.0 kA.What is the strength of the magnetic field this line produces at the ground,10 m away? ( ₀ = 4 × 10^-7 T m/A)

A)4.7 µT

B)6.4 µT

C)20 µT

D)56 µT

Q2) Which one of the following statements is correct?

A)Earth's geographic north pole is the north pole of Earth's magnetic field.

B)Earth's geographic south pole is the south pole of Earth's magnetic field.

C)The north pole of a magnet points towards Earth's geographic north pole.

D)The north pole of a magnet points towards Earth's geographic south pole.

E)None of the above statements is correct.

Q3) A thin copper rod 1.0 m long has a mass of 0.050 kg and is in a magnetic field of 0.10

T.What minimum current in the rod is needed in order for the magnetic force to balance the weight of the rod?

A)1.2 A

B)2.5 A

C)4.9 A

D)9.8 A

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Chapter 23: Magnetic Flux and Faradays Law of Induction

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Q1) A circular coil lies flat on a horizontal surface.A bar magnet is held fixed above the center of the coil with its north pole pointing downward.What is the direction of the induced current in the coil,as viewed from above?

A)clockwise

B)counterclockwise

C)There is no current in the coil.

Q2) A generator produces 60 A of current at 120 V.The voltage is usually stepped up to 4500 V by an ideal transformer and transmitted through a power line of total resistance 1.0 .Find the number of turns in the secondary if the primary has 200 turns.

A)5

B)200

C)4500

D)7500

Q3) If the primary coil of a transformer contains more loops than the secondary coil then it is a

A)step-up transformer.

B)step-down transformer.

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25

Chapter 24: Alternating-Current Circuits

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Q1) Which of the following statements is true for a series RLC ac circuit in resonance?

(There could be more than one correct choice).

A)The inductive reactance and the capacitive reactance are both equal to zero.

B)The inductive reactance is equal to the capacitive reactance.

C)The current in the circuit is a minimum.

D)The current in the circuit is a maximum.

E)The rms current is equal to the peak current.

Q2) What is the resonance frequency of a series ac circuit consisting of a 40.0 F capacitor,a 55- resistor,and a 0.030 H inductor?

A)0.15 kHz

B)0.9 kHz

C)6.9 kHz

D)6 kHz

Q3) At what frequency is the reactance of a 20.0-mH inductor equal to 120 ?

A)318 Hz

B)637 Hz

C)796 Hz

D)955 Hz

E)1110 Hz

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Page 26

Chapter 25: Electromagnetic Waves

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Sample Questions

Q1) An 800-kHz sinusoidal radio signal is detected at a point 6.6 km from the transmitter tower.The electric field amplitude of the signal at that point is 0.780 V/m.Assume that the signal power is radiated uniformly in all directions and that radio waves incident upon the ground are completely absorbed.What is the amplitude of the magnetic field of the signal at that point? ( ₀ = 8.85 × 10^-12 C²/N m²,c = 3.0 × 10⁸ m/s, ₀ = 4 × 10^-7 T m/A)

A)2.6 nT

B)2.1 nT

C)1.6 nT

D)3.1 nT

E)3.6 nT

Q2) About 1350 W/m² of electromagnetic energy reaches the upper atmosphere of the earth from the sun,which is 1.5 × 10¹¹ m away.Use this information to estimate the average power output of the sun.

A)1 × 10²⁶ W

B)2 × 10²⁶ W

C)3 × 10²⁶ W

D)4 × 10²⁶ W

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Chapter 26: Geometrical Optics

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Q1) Light having a speed in vacuum of 3.0 × 10⁸ m/s enters a liquid of refractive index 2.0.In this liquid,its speed will be

A)6.0 × 10⁸ m/s.

B)3.0 × 10⁸ m/s.

C)1.5 × 10⁸ m/s.

D)0.75 × 10⁸ m/s.

E)0.67 × 10⁸ m/s.

Q2) Which one of the following sets of characteristics describes the image formed by a plane mirror?

A)real and inverted

B)real and upright

C)virtual and upright

D)virtual and inverted

E)virtual and larger than the object

Q3) If a spherical concave mirror has a radius of curvature R,its focal length is A)R/4.

B)R/2.

C)R.

D)2R.

E)4R.

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Chapter 27: Optical Instruments

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Sample Questions

Q1) A student constructs an astronomical telescope with a magnification of 10.If the telescope has an objective lens of focal length 0.50 m,what is the resulting length of the telescope?

A)53 cm

B)55 cm

C)60 cm

D)75 cm

Q2) Diego is nearsighted and cannot see things beyond 110 cm from his eyes.What is the focal length of the contact lenses that will enable him to comfortably see distant hills clearly?

A)+50 cm

B)-50 cm

C)-110 cm

D)+110 cm

E)-30 cm

Q3) What type of lens is used to make a magnifying glass?

A)converging

B)diverging

C)Either type would work equally well.

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Page 29

Chapter 28: Physical Optics: Interference and Diffraction

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Sample Questions

Q1) A metallic sheet has a large number of parallel slits,5.0 mm wide and 20 cm apart.This sheet is used as a diffraction grating for microwaves.A wide parallel beam of microwaves is incident normally on the sheet.If the microwave wavelength is 6.0 cm,what is the largest angle from the normal,at which an intensity maximum occurs?

A)64°

B)69°

C)74°

D)79°

E)84°

Q2) When a beam of light,originally traveling in air,enters a piece of glass having an index of refraction of 3/2,its frequency

A)increases by a factor of 3/2.

B)is reduced to 2/3 its original value.

C)is unaffected.

Q3) Two light sources are said to be coherent if they are

A)of the same frequency.

B)of the same frequency,and maintain a constant phase difference.

C)of the same amplitude,and maintain a constant phase difference.

D)of the same frequency and amplitude.

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Page 30

Chapter 29: Relativity

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Q1) During a reaction,170 µJ of energy is released.What change of mass would accompany this release? (c = 3.0 × 10⁸ m/s)

A)5.1 × 10^-4 kg

B)1.5 × 10^-13 kg

C)4.8 × 10^-18 kg

D)1.9 × 10^-21 kg

Q2) A 30-year-old astronaut goes off on a long-term mission in a spacecraft that travels at speeds close to that of light.The mission lasts exactly 20 years as measured on Earth.Biologically speaking,at the end of the mission,the astronaut's age would be

A)more than 50 years.

B)exactly 50 years.

C)less than 50 years.

D)exactly 30 years.

E)exactly 25 years.

Q3) The relativistic kinetic energy formula is valid

A)only for speeds near the speed of light.

B)at all speeds.

C)only for subatomic particles,such as electrons and protons.

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31

Chapter 30: Quantum Physics

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Q1) When the surface of a metal is exposed to blue light,electrons are emitted.If the intensity of the blue light is increased,which of the following things will also increase?

A)the number of electrons ejected per second

B)the maximum kinetic energy of the ejected electrons

C)the time lag between the onset of the absorption of light and the ejection of electrons

D)the work function of the metal

E)all of the above

Q2) Two sources emit beams of light of wavelength 550 nm.The light from source A has an intensity of 10 µW/m²,and the light from source B has an intensity of 20 µW/m².This is all we know about the two beams.Which of the following statements about these beams are correct? (There could be more than one correct choice. )

A)Beam B carries twice as many photons per second as beam A.

B)A photon in beam B has twice the energy of a photon in beam A.

C)The frequency of the light in beam B is twice as great as the frequency of the light in beam A.

D)A photon in beam B has the same energy as a photon in beam A.

E)None of the above statements are true.

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Chapter 31: Atomic Physics

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Sample Questions

Q1) The Paschen series is formed by electron transitions that

A)end on the n = 1 shell.

B)begin on the n = 1 shell.

C)end on the n = 2 shell.

D)begin on the n = 3 shell.

E)end on the n = 3 shell.

Q2) What is the correct ground state electron configuration of boron,which has 5 electrons?

A)1s²2s²2p

B)1s²2s²2p³

C)1s²1p²2s

D)1s²2p²3s

E)1s²2p³

Q3) The distance between adjacent orbits in a hydrogen atom

A)increases with increasing values of n.

B)decreases with increasing values of n.

C)remains constant for all values of n.

D)varies randomly with increasing values of n.

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Chapter 32: Nuclear Physics and Nuclear Radiation

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Q1) The maximum permissible workday dose for occupational exposure to radiation is 11 mrem.A 77-kg laboratory technician absorbs 2.3 mJ of 0.5-MeV gamma rays in a work day.The relative biological effectiveness (RBE)for gamma rays is 1.00.What is the number of gamma-ray photons absorbed by the technician in a workday?

A)3 × 10¹⁰

B)3 × 10⁹

C)3 × 10⁸

D)1 × 10⁹

E)1 × 10⁸

Q2) A ⁺particle is also known as

A)an electron.

B)a positron.

C)a helium nucleus.

D)a high-energy photon.

Q3) Inside the nucleus,the strongest of the four fundamental forces is

A)the weak nuclear force.

B)the electromagnetic force.

C)the gravitational force.

D)the strong nuclear force.

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Page 34