Conceptual Physics
Textbook Exam Questions
Course Introduction
Conceptual Physics is an introductory course designed to explore the fundamental principles of physics through conceptual understanding rather than advanced mathematics. The course covers key topics such as motion, energy, forces, heat, electricity, magnetism, waves, and the structure of matter. Emphasis is placed on real-world applications, critical thinking, and developing a solid grasp of physical concepts and phenomena observed in everyday life. Students will engage in hands-on activities, demonstrations, and discussions to build a strong foundation in physics that can be applied across various disciplines.
Recommended Textbook
Conceptual Physics 12th Edition by Paul G. Hewitt
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2874 Verified Questions
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Page 2
Chapter 1: About Science
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Sample Questions
Q1) For a scientific hypothesis to be valid, there must be a test for proving it A)right.
B)wrong.
C)conclusively one way or the other.
Answer: B
Q2) The statement, "There are regions beneath Earth's crust that will always be beyond the reach of scientific investigation" is A)a fact.
B)speculation.
C)a hypothesis.
D)a scientific statement.
E)a theory.
Answer: B
Q3) To a fair approximation, Early Greeks knew the A)size of Earth.
B)size of the Moon.
C)Earth-Moon distance.
D)all of the above
Answer: D
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Page 3
Chapter 2: Newtons First Law of Motion: Inertia
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Sample Questions
Q1) Weigh yourself on a weighing scale and the scale shows your normal weight. If you carefully stand on tiptoes, the scale reading will be
A)slightly more.
B)slightly less.
C)about half as much.
D)no different.
Answer: D
Q2) The net force on any object in equilibrium is A)zero.
B)equal to its weight.
C)less than its weight.
D)non-zero when motion is involved.
Answer: A
Q3) The resultant of a 40-N force at right angles to a 30-N force is A)30 N.
B)40 N.
C)50 N.
D)greater than 50 N.
Answer: C
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Page 4
Chapter 3: Linear Motion
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Sample Questions
Q1) The two measurements necessary for calculating average speed are
A)acceleration and time.
B)velocity and time.
C)distance and time.
D)distance and acceleration.
E)velocity and distance.
Answer: C
Q2) A ball is projected 125 meters straight upward and then falls the same distance back to its starting point. Neglecting air resistance, its total time in the air is about
A)5 s.
B)10 s.
C)15 s.
D)more than 20 s.
Answer: B
Q3) Compared with hang time on Earth, hang time on the Moon would be A)less.
B)the same.
C)greater.
Answer: C
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Page 5
Chapter 4: Newtons Second Law of Motion
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Sample Questions
Q1) A boulder following a straight-line path at constant velocity has A)a net force acting upon it in the direction of motion.
B)zero acceleration.
C)no forces acting on it.
D)none of the above
Q2) A force of 1 N accelerates 1-kg box at the rate of 1 m/s<sup>2</sup>. The acceleration of a 2-kg box by a net force of 2 N is
A)half as much.
B)twice as much.
C)the same.
D)none of the above
Q3) When you stand at rest with your left foot on one bathroom scale and your right foot on a similar scale, each of the scales will
A)read half your weight.
B)read your weight.
C)show readings that when added equal your weight.
D)cancel your weight.
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6
Chapter 5: Newtons Third Law of Motion: Action and Reaction
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Sample Questions
Q1) One end of a rope is pulled with 100 N, while the opposite end also is pulled with 100 N. The tension in the rope is
A)0 N.
B)50 N.
C)100 N.
D)200 N.
Q2) When you walk, you push on the floor to the left and the floor
A)also pushes on you to the left.
B)pushes you to the right.
C)both of these simultaneously.
D)can only wish it could push on you.
E)none of the above
Q3) The force due to gravity that acts on a block of ice that slides down an icy ramp
A)remains equal to mg at all angles.
B)decreases as the slope of the ramp increases.
C)becomes greatest when the ramp is vertical.
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Chapter 6: Momentum
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Sample Questions
Q1) A motorcycle of mass 100 kilograms slowly rolls off the edge of a cliff and falls for three seconds before reaching the bottom of a gully. Its momentum upon hitting the ground is
A)1,000 kg m/s.
B)2,000 kg m/s.
C)3,000 kg m/s.
D)4,000 kg m/s.
E)9,000 kg m/.
Q2) When Freddy Frog drops vertically from a tree onto a horizontally-moving skateboard, the speed of the skateboard
A)decreases.
B)increases.
C)neither decreases nor increases.
Q3) Compared with falling on a stone floor, a wine glass may not break when it falls on a carpeted floor because the
A)carpeted floor provides a smaller impulse.
B)stopping time is shorter on the carpet.
C)stopping time is longer on the carpet.
D)carpet provides a smaller impulse and a longer time.
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Page 8
Chapter 7: Energy
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Sample Questions
Q1) Hydrogen, like electricity, is
A)an energy source.
B)not an energy source.
C)a source of both thermal and electric power.
Q2) Which has greater kinetic energy?
A)a car traveling at 30 km/hr
B)a car of half the mass traveling at 60 km/hr
C)both the same
D)need more information
Q3) If you do work on a skateboard loaded with friends in one-third the usual time, you expend
A)one third as much power.
B)the usual power.
C)three times the usual power.
D)need more information.
Q4) If the speed of a motor scooter doubles, which of the following also doubles?
A)momentum
B)kinetic energy
C)acceleration
D)all of the above
Page 9
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Chapter 8: Rotational Motion
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Sample Questions
Q1) A solitary boy cannot balance on a seesaw with its fulcrum at its midpoint. If the fulcrum is moved to one-quarter the distance from the boy, balance is achieved when the weight of the boy is
A)less than the weight of the seesaw.
B)equal to the weight of the seesaw.
C)more than the weight of the seesaw.
D)need more information
Q2) Horses with the greatest linear speed on a merry-go-round are located
A)near the center.
B)near the outside.
C)anywhere, because they all move at the same speed.
Q3) A swimming area in a rotating space habitat is located in a region of 1/4 g. If a diver can jump 1 m high in a 1-g region, how high can the same diver jump in the swimming area?
A)1 m
B)2 m
C)4 m
D)16 m
E)more than 16 m
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Page 10
Chapter 9: Gravity
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Sample Questions
Q1) Each of us weighs a tiny bit less inside the ground floor of a skyscraper than we do on the ground away from the skyscraper because the A)gravitational field is shielded inside the building. B)mass of the building above slightly attracts us upward.
C)both of these D)neither of these
Q2) Surrounding a magnet is a magnetic field. Surrounding an electron is an electric field. Surrounding Earth is A)an alteration in space in which mass experiences a force. B)a gravitational field.
C)both of these D)neither of these
Q3) Tidal bulges on the Moon involve the concept of A)torques.
B)elasticity.
C)slight water on the Moon. D)magnetism.
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Chapter 10: Projectile and Satellite Motion
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Sample Questions
Q1) A dropped ball gains speed because A)its velocity changes.
B)a gravitational force acts on it.
C)of inertia.
D)its nature is to become closer to Earth.
Q2) An object is thrown vertically into the air. In this case air resistance affects motion. Compared with its time for ascent, the time for its descent is A)shorter.
B)the same.
C)longer.
D)need more information
Q3) The focal point of a satellite in orbit about the Sun is A)inside the Sun.
B)outside the Sun.
C)both of these
D)neither of these
Q4) According to Kepler, the speed of a planet is slowest when it is A)closest to the Sun.
B)farthest from the Sun.
C)neither, for speed is a constant.
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Chapter 11: Atomic Nature of Matter
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Sample Questions
Q1) An element is distinct because of its number of A)protons.
B)neutrons.
C)electrons.
D)the total mass of all the particles.
E)none of the above
Q2) How many protons should be added to the nuclei of oxygen atoms so the resulting gas will glow red when an electric current is in it?
A)1
B)2
C)3
D)4
E)none of the above
Q3) Which of these atoms has the greatest amount of electrical charge in its nucleus?
A)helium
B)carbon
C)iron
D)gold
E)uranium
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Page 13
Chapter 12: Solids
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Sample Questions
Q1) The strength of a rope depends on its A)thickness.
B)length.
C)both of these
Q2) When a living cell doubles in diameter, it has eight times the mass to be nourished, and the amount of membrane through which it feeds is
A)only twice as much.
B)only four times as much.
C)also eight times as much.
D)more than eight times as much.
Q3) Which potato cooks faster in boiling oil?
A)a whole potato.
B)a sliced potato.
C)both the same
Q4) Which potatoes when peeled produce the most peelings?
A)10 kg of large potatoes
B)10 kg of small potatoes
C)both the same
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Chapter 13: Liquids
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Sample Questions
Q1) Surface tension of liquids
A)increases when wetting agents are added.
B)decreases as the liquid temperature increases.
C)is about the same for all liquids.
D)results from a thin molecular membrane beneath the liquid surface.
E)keeps steel ships afloat.
Q2) An ice cube with large air bubbles in it floats in a brim-full container of water. When the ice cube melts,
A)water spills over.
B)no change in water level occurs.
C)water level in the container goes down.
Q3) Pascal's principle applies to A)liquids. B)gases.
C)both of these
D)none of these
Q4) The concept of pressure involves both
A)force and volume.
B)force and area.
C)area and volume.
Page 15
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Chapter 14: Gases and Plasmas
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Sample Questions
Q1) About how high can water at sea level be theoretically lifted by a vacuum pump?
A)less than 10.3 m
B)10.3 m
C)more than 10.3 m
Q2) Which of the following bodies is comprised mostly of plasma?
A)Earth
B)Moon
C)Sun
D)all of the above
E)none of the above
Q3) A column that extends from sea level to the top of the atmosphere contains a certain mass of air. If the column instead contained the same mass of mercury, its height would be about
A)3/4 meter.
B)10.3 meters.
C)5.6 kilometers.
D)none of the above
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Chapter 15: Temperature, Heat, and Expansion
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Sample Questions
Q1) Which of these expands when the temperature is lowered?
A)iron
B)wood
C)ice water
D)helium
E)none of the above
Q2) Internal energy is greater in a A)cup of boiling-hot tea.
B)fire-engine pail of boiling-hot tea.
C)both the same
Q3) The fact that desert sand is very hot in the day and very cold at night is evidence that the specific heat capacity of sand is relatively A)low.
B)high.
C)practically absent.
Q4) Compared to a giant iceberg, a hot cup of coffee has
A)more internal energy and higher temperature.
B)higher temperature, but less internal energy.
C)a greater specific heat and more internal energy.
D)none of the above
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Chapter 16: Heat Transfer
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Sample Questions
Q1) A blueberry pie will be a net absorber of energy when its temperature is
A)higher than its surroundings.
B)lower than its surroundings.
C)none of these
Q2) Which body glows with electromagnetic waves?
A)the Sun
B)the Earth
C)you and your classmates
D)all of the above
Q3) To save energy while you leave your cool house for a half hour on a hot day, turn the temperature setting on the air conditioner
A)down.
B)up.
C)off altogether.
D)to room temperature.
Q4) When an object absorbs as much as it radiates
A)it remains at about the same temperature.
B)it is a net absorber.
C)it is a net radiator.
D)none of the above
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Chapter 17: Change of Phase
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Sample Questions
Q1) Compared with sea-level cooking, in cooking eggs by boiling in mountain regions you should boil the eggs
A)with a hotter flame.
B)for a shorter time.
C)for a longer time.
D)all of the above
E)none of the above
Q2) To turn 1 gram of boiling water to steam requires
A)almost as much energy as changing 1 gram of 0°C water to the boiling point.
B)as much as increasing 1 kilogram of 95°C water to the boiling point.
C)more energy than needed to turn 1 gram of absolute-zero ice to the boiling point.
D)none of the above
Q3) The pressure at the bottom of a geyser is
A)less than nearer the top.
B)the same as nearer the top
C)greater than nearer the top.
D)all of the above
E)none of the above
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Chapter 18: Thermodynamics
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Sample Questions
Q1) When you vigorously shake a can of chicken broth, you A)are doing work on the broth.
B)increase the temperature of the broth.
C)both of these
D)neither of these
Q2) A definite method for losing weight is A)exercise.
B)reduce Calorie intake.
C)maintain a low body temperature.
D)none of the above
Q3) As a parcel of air at high altitude sinks to a lower elevation with no heat input or output, its temperature A)increases.
B)decreases.
C)will remain unchanged.
Q4) Systems alone tend to move toward a state of A)less entropy.
B)more entropy.
C)no entropy.
D)none of the above
Page 20
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Chapter 19: Vibrations and Waves
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Sample Questions
Q1) In the Doppler effect it is important to distinguish between A)frequency and speed.
B)speed and velocity.
C)speed and acceleration.
D)distance and displacement.
Q2) A wiggle in time is a A)vibration.
B)wave.
C)both of these D)neither of these
Q3) A wave oscillates up and down two complete cycles each second. If the wave travels an average distance of 6 meters in one second, its wavelength is
A)0.5 m.
B)1 m.
C)2 m.
D)3 m.
E)6 m.
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Chapter 20: Sound
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Sample Questions
Q1) Sound travels fastest in A)air.
B)water.
C)steel.
D)a vacuum.
Q2) A tuning fork of frequency 200 hertz can resonate if an incident sound wave has a frequency of A)100 hertz.
B)200 hertz.
C)both of these D)neither of these
Q3) An explosion occurs 34 km away. The time it takes for its sound to reach your ears, traveling at 340 m/s, is
A)0.1 s.
B)1 s.
C)10 s.
D)20 s.
E)more than 20 s.
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22
Chapter 21: Musical Sounds
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Sample Questions
Q1) The pitch of a guitar relates to the string's A)length.
B)tension.
C)mass.
D)all the above E)none of the above
Q2) Whereas loudness is a physiological sensation, sound intensity is A)the same.
B)measurable with acoustical instruments.
C)both of these D)neither of these
Q3) The frequency of a note one octave higher in pitch than a 440-Hz note is A)1760 Hz.
B)880 Hz.
C)440 Hz.
D)220 Hz.
E)110 Hz.
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Chapter 22: Electrostatics
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Sample Questions
Q1) A semiconductor can be A)a conductor.
B)an insulator.
C)both of these
D)neither of these
Q2) Electrons can be transferred from one place to another by the process of A)friction.
B)contact, which means touching.
C)induction, which means non-touching.
D)all of the above
E)none of the above
Q3) To say that electric charge is conserved means that no case has ever been found where
A)the total charge on an object has changed.
B)quantity of negative charge on an object exactly balances positive charge.
C)the total quantity of charge on an object has increased.
D)net charge has been created or destroyed.
E)none of the above
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Chapter 23: Electric Current
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Sample Questions
Q1) A suitable electric pump in an electric circuit is a
A)chemical battery.
B)generator.
C)both of these
D)neither of these
Q2) The electric field established by a generator in an ac circuit
A)increases via the inverse-square law.
B)changes magnitude and direction with time.
C)acts in one direction.
D)is non-existent.
E)none of the above
Q3) The source of electrons in a simple electric circuit is
A)the voltage source.
B)energy stored in the voltage source.
C)energy released by the voltage source.
D)the electrical circuit itself.
E)none of the above
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25
Chapter 24: Magnetism
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Sample Questions
Q1) An electron beam directed through a magnetic field
A)may be deflected.
B)may experience a force.
C)both of these
D)neither of these
Q2) Magnetic fields are produced by
A)a tiny fraction of moving electrical charges.
B)most moving electrical charges.
C)all moving electrical charges.
Q3) The force a magnetic field exerts on a current-carrying wire is maximum when the wire is oriented
A)parallel to the magnetic field.
B)perpendicular to the magnetic field.
C)either of these
D)neither of these
Q4) The force that acts between a pair of magnetic poles depends on A)magnetic pole strength.
B)separation distance.
C)both of these
D)neither of these
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Chapter 25: Electromagnetic Induction
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Sample Questions
Q1) The discovery of electromagnetic induction is credited to A)Joseph Henry in America.
B)Michael Faraday in England.
C)both of these
D)neither of these
Q2) When a magnet is moved to and fro in a wire coil, voltage is induced. If the coil has twice as many loops, the voltage induced is A)half.
B)the same.
C)twice.
D)four times as much.
E)none of the above
Q3) When a bar magnet is thrust into a coil of copper wire, the coil tends to A)attract the magnet as it enters.
B)repel the magnet as it enters.
C)both of these
D)neither of these
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27
Chapter 26: Properties of Light
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Q1) The Moon would be at its fullest just before the time of a A)solar eclipse.
B)lunar eclipse.
C)both of these
D)neither of these
Q2) Compared to radio waves, the velocity of visible light waves in a vacuum is A)less.
B)more.
C)the same.
Q3) Infrared waves are often called heat waves because they A)emanate from relatively hot sources.
B)consist of frequencies lower than those of visible light.
C)induce resonance in molecules and increase internal energy in a substance.
D)are the predominant waves emitted by the sun.
Q4) The fact that you can see stars in the nighttime sky is evidence that A)our atmosphere is transparent to visible light.
B)light can travel in a vacuum.
C)both of these D)neither of these
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Chapter 27: Color
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Q1) A blueberry will look black when illuminated with A)red light.
B)yellow light.
C)magenta light.
D)cyan light.
E)none of the above
Q2) If molecules in the sky scattered orange light instead of blue light, sunsets would be colored
A)orange.
B)yellow.
C)green.
D)blue.
E)none of the above
Q3) The brightest color in sunlight is A)red.
B)yellow.
C)yellow-green.
D)green.
E)violet.
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Page 29
Chapter 28: Reflection and Refraction
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Sample Questions
Q1) Light travels fastest in A)warm air.
B)cool air.
C)a vacuum.
Q2) When a light ray passes at a non-90° angle from water into air, it
A)bends toward the normal.
B)bends away from the normal.
C)travels much slower.
Q3) A mirage occurs when light travels faster
A)near the ground than higher up.
B)in less dense air than more dense air higher up.
C)both of these
D)neither of these
Q4) A "burning glass" used to concentrate sunlight in a tiny spot is a A)converging lens.
B)diverging lens.
C)either of these
D)neither of these
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Chapter 29: Light Waves
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Q1) Diffraction is most closely related to A)refraction.
B)reflection.
C)interference.
D)polarization.
E)dispersion.
Q2) For a pair of Polaroids with axes at 45 degrees to each other A)light will not pass.
B)light that passes is dimmer than for a parallel orientation.
C)another Polaroid is necessary for any light to pass.
Q3) The glare seen from water is largely
A)horizontally polarized.
B)vertically polarized.
C)unpolarized.
Q4) Polarization is a property of A)transverse waves.
B)longitudinal waves.
C)both of these
D)neither of these
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Chapter 30: Light Emission
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Q1) White-light LEDs employ A)phosphors.
B)white-emitting diodes.
C)extra-high electrical barriers.
D)none of the above
Q2) The major difference between phosphorescent and fluorescent materials is A)a time delay between excitation and de-excitation.
B)a difference in brightness.
C)the greenish color of phosphorescence.
D)none of the above
Q3) The best visible safety light in the darkroom that will emit low-energy photons is A)violet.
B)blue.
C)green.
D)any of the above
E)none of the above
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Chapter 31: Light Quanta
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Q1) Which of the following is quantized?
A)energy
B)radiation
C)number of atoms in a gold bar
D)electric charge
E)all of the above
Q2) By adjusting a TV image with a remote you can
A)affect only the image.
B)participate with the action on the screen.
C)both of these
D)neither of these
Q3) What is conserved when a photon collides with an electron?
A)momentum
B)energy
C)both of these
D)neither of these
Q4) The formula p x h tells us that the product of p and x cannot be
A)less than h
B)greater than h
C)equal to h
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Chapter 32: The Atom and the Quantum
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Sample Questions
Q1) Using the Schrödinger equation, scientists can calculate A)probabilities.
B)the position of an electron.
C)the velocity of an electron.
D)all of the above
Q2) What was discovered in atomic spectra by physics pioneers Balmer, Rydberg, and Ritz?
A)unexplained randomness
B)mathematical order
C)all atoms are about the same size
D)electrons occupy well-defined shells about the atomic nucleus
E)electrons behave as standing waves
Q3) The Bohr model of the atom is akin to a A)miniature solar system.
B)blob of plum pudding, where raisins represent electrons.
C)central heavy ball with lighter balls connected by springs.
D)all of the above
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Chapter 33: Atomic Nucleus and Radioactivity
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Sample Questions
Q1) The half-life of carbon 14 is 5730 years. If a 1-gram sample of old carbon is 1/8 as radioactive as 1-gram of a current sample, then the age of the old sample is about
A)716 years.
B)11,500 years.
C)17,200 years.
D)22,900 years.
E)46,000 years.
Q2) The sources of X-rays are A)electron clouds.
B)the atomic nucleus.
C)both of these D)neither of these
Q3) An element will decay to an element with higher atomic number in the periodic table if it emits
A)a beta particle.
B)a gamma ray.
C)a proton.
D)an alpha particle.
E)none of the above
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Page 35
Chapter 34: Nuclear Fission and Fusion
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Sample Questions
Q1) The nucleus that has the least mass per nucleon is A)hydrogen.
B)iron.
C)lead.
D)uranium.
E)plutonium.
Q2) Detonation of a fusion-type hydrogen bomb begins by A)splitting uranium.
B)pressing together pieces of uranium.
C)igniting a fission bomb.
D)all of the above
E)none of the above
Q3) The term critical mass refers to the least amount of mass that can A)sustain a chain reaction.
B)squelch a chain reaction.
C)explode when rapidly brought against a neighboring piece.
D)none of the above
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36
Chapter 35: Special Theory of Relativity
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Sample Questions
Q1) According to special relativity, tomorrow's travelers can travel
A)only forward in time.
B)backward in time.
C)both forward and backward in time.
Q2) The length of a 100-meter long spaceship passing by you at 0.87c is seen to be
A)50 m.
B)87 m.
C)100 m.
D)125 m.
E)150 m.
Q3) Two lightning bolts are seen to strike two distant locations at the same time. Seen from a different location, the two lightning bolts
A)will also be seen at the same time.
B)will not be seen at the same time.
C)may or may not be seen at the same time.
Q4) As a blinking light source uniformly accelerates away from you, you observe the blinks
A)more and more frequently.
B)less and less frequently.
C)neither of these
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Chapter 36: General Theory of Relativity
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Q1) Important support for general relativity came from studies of the precession of the orbit of A)Mercury.
B)Venus.
C)Earth.
D)Mars.
E)asteroids.
Q2) Apart from the effects of other planets, the orbit of Mercury precesses because A)Mercury travels faster than any other planet.
B)Mercury's orbit is nearly circular.
C)of pronounced variations in Mercury's orbit about the Sun.
Q3) You shine a beam of monochromatic light from Earth to an astronaut friend in orbit.
The light your friend receives, relative to light from an equivalent source on the spaceship, is slightly A)slower in speed.
B)higher in speed.
C)neither of these
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Chapter 37: Systems of Measurement
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Sample Questions
Q1) If these are sound waves, which corresponds to the highest pitch?
A)Wave I.
B)Wave II.
C)Wave III.
D)Wave IV.
And which has the greatest wavelength?
E)Wave I
F)Wave II
G)Wave III
H)Wave IV
I)all have the same wavelength
Q2) As the ball rolls from A to B its velocity increases and its acceleration
A)increases;
B)decreases;
C)remains constant;
And when it rolls from B to C its acceleration along the path
D)increases.
E)decreases.
F)remains constant.
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Page 39