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 heavy mathematical analysis. The course covers a wide range of topics, including motion, energy, forces, waves, electricity, magnetism, and the structure of matter, emphasizing real-world applications and the development of scientific reasoning. Through hands-on activities, demonstrations, and discussions, students gain insight into how physical laws govern everyday phenomena, equipping them with the foundational knowledge to appreciate the role of physics in technology, the environment, and daily life.
Recommended Textbook
Conceptual Physics 12th Edition by Paul G. Hewitt
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Chapter 1: About Science
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Sample Questions
Q1) The most basic of the sciences of physics, chemistry, and biology is A)physics.
B)chemistry.
C)biology.
D)none of the above
Answer: A
Q2) Spots of sunlight on the ground cast through openings between leaves in trees above are actually
A)images of the Sun.
B)part of a solar eclipse.
C)due to refraction of sunlight.
D)all of the above
Answer: A
Q3) Facts in the field of science
A)are absolute.
B)are changeable.
C)mean very little.
D)are more important than theories.
Answer: B
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Page 3
Chapter 2: Newtons First Law of Motion: Inertia
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Sample Questions
Q1) When Nellie Newton hangs at rest in the middle of a clothesline, the tension will not be the same in each side of the rope when
A)the lengths of rope on each side are different.
B)the angles at each side of the rope are unequal.
C)she is in equilibrium.
D)none of the above
Answer: B
Q2) Which concept is being illustrated when a tablecloth is quickly yanked beneath dishes resting on a table?
A)equilibrium
B)friction
C)support force
D)inertia
Answer: D
Q3) When a rocket ship gaining speed in outer space runs out of fuel, it
A)gains speed for a short time, then slows down to a constant velocity.
B)gains speed for a short time, slows down, and eventually stops.
C)no longer gains speed.
Answer: C
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4
Chapter 3: Linear Motion
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Sample Questions
Q1) An airplane that flies at 100 km/h in a 100-km/h crosswind has a ground speed of A)0 km/h.
B)100 km/h.
C)141 km/h.
D)200 km/h.
Answer: C
Q2) A vehicle undergoes acceleration when it
A)gains speed.
B)loses speed.
C)changes its direction.
D)all of the above
Answer: D
Q3) You're at rest in a hammock when a hungry mosquito sees an opportunity for lunch. A mild 2-m/s breeze is blowing. If the mosquito joins you for lunch it should hover over you by flying
A)against the breeze at 2 m/s.
B)with the breeze at 2 m/s.
C)a bit faster than wind speed.
D)none of the above
Answer: A
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Chapter 4: Newtons Second Law of Motion
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Sample Questions
Q1) A rock is thrown vertically into the air. At the top of its path, its acceleration is A)zero.
B)10 m/s<sup>2</sup>.
C)between 0 and 10 m/s<sup>2</sup>.
D)greater than 10 m/s<sup>2</sup>.
Q2) Nellie pulls on a 10-kg wagon with a constant horizontal force of 30 N. If there are no other horizontal forces, what is the wagon's acceleration?
A)0.3 m/s<sup>2</sup>
B)3.0 m/s<sup>2</sup>
C)10 m/s<sup>2</sup>
D)30 m/s<sup>2</sup>
E)300 m/s<sup>2</sup>
Q3) A kilogram is a measure of an object's A)force.
B)mass.
C)both of these
D)neither of these
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6
Chapter 5: Newtons Third Law of Motion: Action and Reaction
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Sample Questions
Q1) An archer shoots an arrow. Consider the action force to be the bowstring against the arrow. The reaction to this force is the
A)combined weight of the arrow and bowstring.
B)friction of the ground against the archer's feet.
C)grip of the archer's hand on the bow.
D)arrow's push against the bowstring.
Q2) Earth pulls on the Moon, and the Moon pulls on Earth, which tells us that
A)these two pulls comprise an action-reaction pair.
B)both Earth and Moon circle a common point.
C)more massive objects pull harder.
D)all of the above
Q3) A pair of toy freight cars, one twice the mass of the other, fly apart when a compressed spring that joins them is released. The spring exerts the greater force on the A)heavier car.
B)lighter car.
C)same on each.
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Chapter 6: Momentum
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Sample Questions
Q1) The average braking force of a 1000-kg car moving at 10 m/s braking to a stop in 5 s is
A)1000 N.
B)2000 N.
C)3000 N.
D)4000 N.
E)5000 N.
Q2) Which produces more force: driving into a very massive concrete wall with no "give," or having a head-on collision with an identical car moving toward you at the same speed?
A)car
B)wall
C)both the same
D)need more information
Q3) Recoil is noticeable if we throw a heavy ball while standing on roller skates. If instead we go through the motions of throwing the ball but hold onto it, our net recoil will be A)zero.
B)the same as before.
C)small, but noticeable.
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Page 8
Chapter 7: Energy
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Sample Questions
Q1) A bicycle that travels twice as fast as another when braking to a stop will skid
A)twice as far.
B)four times as far.
C)eight times as far
D)sixteen times as far.
E)depends on the bike's mass
Q2) A 2-kg ball is held 4 m above the ground. Relative to the ground its potential energy is
A)6 J.
B)8 J.
C)32 J.
D)80 J.
E)more than 80 J.
Q3) The exhaust product from a hydrogen fuel cell is
A)carbon dioxide.
B)methane.
C)pure water.
D)nitric acid.
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Chapter 8: Rotational Motion
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Sample Questions
Q1) A ring, a disk, and a solid sphere begin rolling down a hill together. Which reaches the bottom first?
A)ring
B)disk
C)sphere
D)all reach the bottom at the same time
E)need more information
Q2) Which jar will roll down an incline in the shortest time, an empty one or one filled with peanut butter?
A)the empty jar
B)both reach the bottom at the same time
C)the filled jar
D)need more information
Q3) The net force exerted on a car traveling in a circular path at constant speed is
A)directed forward, in the direction of travel.
B)directed toward the center of the curve.
C)zero because the car is not accelerating.
D)none of the above
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Chapter 9: Gravity
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Sample Questions
Q1) Earth is presently accelerating toward the Sun (centripetal acceleration). If the Sun collapsed into a black hole, this acceleration would A)increase.
B)decrease.
C)remain the same.
D)cease to exist.
Q2) If the Sun were twice as massive
A)its pull on Earth would double.
B)the pull of Earth on the Sun would double.
C)both of these
D)neither of these
Q3) The force of gravity acts on all apples on an apple tree. Some apples are twice as far from the ground as others. For the same mass these twice-as-high apples have
A)1/4 the weight.
B)1/2 the weight.
C)practically the same weight.
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Chapter 10: Projectile and Satellite Motion
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Sample Questions
Q1) The fastest moving planet in a solar system is the A)smallest planet.
B)most massive planet.
C)planet nearest the Sun.
D)planet farthest from the Sun.
E)all move at the same speed.
Q2) If a satellite's radial velocity is zero at all times, its orbit must be A)parabolic.
B)elliptical.
C)circular.
D)geosynchronous.
Q3) A projectile is fired into the air at an angle of 50° above ground level and hits a target downrange. It will also hit the target if fired at an angle of A)40°.
B)45°.
C)55°.
D)60°.
E)none of the above
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Chapter 11: Atomic Nature of Matter
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Sample Questions
Q1) A molecule has
A)mass.
B)structure.
C)energy.
D)all of the above
E)none of the above
Q2) Which is the smallest particle?
A)molecule
B)atom
C)proton
D)neutron
E)quark
Q3) Which of the following is a gas?
A)lithium
B)carbon
C)neon
D)sodium
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13
Chapter 12: Solids
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Sample Questions
Q1) The effects of scaling are beneficial to swimmers in a race who are relatively A)large.
B)small.
C)neither of these
Q2) Stone slabs are stronger under A)tension.
B)compression.
C)both of these
D)none of these
Q3) A beam is under stress when it carries a load. The part of a beam where no tension or compression occurs is the A)upper or lower flange.
B)neutral layer.
C)neither of these
Q4) When the curve of a vertical structure matches the inverted image of a drooping chain held at both ends, the curve is called a A)parabola.
B)hyperbola.
C)catenary.
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Chapter 13: Liquids
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Sample Questions
Q1) When a barrel of water in a rowboat in a swimming pool is poured overboard, the pool level
A)rises.
B)falls.
C)remains unchanged.
Q2) A 5-N block of wood is difficult to fully submerge in a pool of mercury because the buoyant force on the block when submerged is A)less than 5 N.
B)5 N.
C)much more than 5 N.
Q3) A block of wood with a piece of iron tied to the top of it floats in a bucket of water. If the wood and iron are turned over so that the iron is submerged beneath the wood, the water level at the side of the bucket
A)rises.
B)falls.
C)remains the same.
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Chapter 14: Gases and Plasmas
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Q1) Compared with air pressure on the outside, air pressure inside an inflated stretched balloon is
A)less.
B)equal.
C)greater.
D)need more information
Q2) An object in a vacuum has no A)buoyant force.
B)mass.
C)weight.
D)temperature.
E)all of the above
Q3) When a suction cup sticks to a wall it is A)pulled to the wall by the vacuum.
B)pushed to the wall by the atmosphere.
C)both of these
D)neither of these
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Chapter 15: Temperature, Heat, and Expansion
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Sample Questions
Q1) A substance that heats up relatively quickly has a
A)high specific heat capacity.
B)low specific heat capacity.
C)either of these
D)neither of these
Q2) Tomatoes have a higher specific heat capacity than dough. This means that when you bite into a hot pizza
A)the dough feels hotter than the tomato sauce.
B)the tomato sauce feels hotter than the dough.
C)since sauce and dough are at the same temperature, neither feels hotter.
Q3) Pour two liters of water at 40°C into one liter of water at 20°C and the final temperature of the two becomes
A)less than 30°C.
B)at or about 30°C.
C)more than 30°C.
Q4) Ice has a lower density than water because ice
A)molecules are more compact in the solid state.
B)molecules vibrate at lower rates than water molecules.
C)is composed of open-structured crystals.
D)density decreases with decreasing temperature.
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Chapter 16: Heat Transfer
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Sample Questions
Q1) Heat normally flows from objects of high A)internal energy to objects of low internal energy.
B)temperature to objects of low temperature. C)both of these
D)neither of these
Q2) If a poor absorber of radiation were a good emitter, its temperature would be A)less than its surroundings. B)more than its surroundings.
C)the same as its surroundings.
Q3) Soaring birds and glider pilots can remain aloft for hours without expending power, due to A)conduction.
B)convection. C)radiation.
D)all of the above
Q4) Terrestrial radiation is A)emitted by Earth. B)emitted by the Sun.
C)both of these D)neither of these
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Chapter 17: Change of Phase
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Sample Questions
Q1) Hydrothermal vents deep beneath the ocean surface attain temperatures far above 100°C due to
A)higher salt content.
B)reduced salt content.
C)greater pressure.
D)all of the above
E)none of the above
Q2) For increased atmospheric pressure, the boiling point of water
A)goes down.
B)rises.
C)remains at 100 degrees C.
Q3) To illustrate regelation with ice it is important that a A)wire is used.
B)string is used.
C)either of these
D)none of the above
Q4) Evaporation is a cooling process and condensation is A)a warming process.
B)a cooling process also.
C)neither of these
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Chapter 18: Thermodynamics
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Sample Questions
Q1) When mechanical work is done on a system, an increase normally occurs in its A)internal energy.
B)temperature.
C)both of these
D)neither of these
Q2) If a 10°C piece of iron is heated until it has twice as much internal energy, its temperature will be
A)20°C.
B)273°C.
C)293°C.
D)566°C.
E)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.
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Chapter 19: Vibrations and Waves
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Q1) An aircraft that flies faster than the speed of sound is said to be A)subsonic.
B)supersonic.
C)impossible.
D)none of the above
Q2) The Doppler effect is characteristic of A)water waves.
B)sound waves.
C)light waves.
D)all of the above
E)none of the above
Q3) The frequency of the second hand on a clock is A)1 hertz.
B)1/60 hertz.
C)60 hertz.
Q4) A 60-vibration-per-second wave travels 30 meters in 1 second. Its frequency is A)30 hertz and it travels at 60 m/s.
B)60 hertz and it travels at 30 m/s.
C)1800 hertz and it travels at 2 m/s.
D)none of the above
21
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Chapter 20: Sound
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Sample Questions
Q1) When sound waves superimpose they can interfere
A)constructively.
B)destructively.
C)either of these
D)neither of these
Q2) Two tuning forks produce sounds of wavelengths 3.4 meters and 3.3 meters. Approximately what beat frequency is produced?
A)0.1 hertz
B)1.0 hertz
C)2.0 hertz
D)3.0 hertz
E)4.0 hertz
Q3) An acoustical engineer in designing a music hall is concerned with A)echoes.
B)reflection.
C)reverberations.
D)all of the above
E)none of the above
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22
Chapter 21: Musical Sounds
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Sample Questions
Q1) The number of nodes in a standing wave of three wavelengths, not including the endpoints, is
A)2.
B)3.
C)4.
D)5.
E)6.
Q2) Compared to a sound of 30 decibels, the intensity of a sound of 60 decibels is
A)twice as intense.
B)10 times as much.
C)100 times as much.
D)1000 times as much.
E)10,000 times as much.
Q3) Fourier analysis makes central use of A)wave superposition.
B)partial tones.
C)harmonics.
D)none of the above
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Chapter 22: Electrostatics
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Sample Questions
Q1) Superconductors most often require A)low operating temperatures.
B)high operating temperatures.
C)magnets.
Q2) Two charged particles held a certain distance apart are released. As they move, the acceleration of each decreases. Therefore, their charges have A)the same sign.
B)opposite signs.
C)need more information
Q3) Assume that 10 J of work pushes a charge initially at rest into an electric field. If the charge is then released, it flies back to its starting position with a kinetic energy of A)zero.
B)5 J.
C)10 J.
D)more than 10 J.
E)need more information.
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Chapter 23: Electric Current
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Sample Questions
Q1) The source of energy that illuminates a lamp in your home is
A)the power company.
B)the electrical outlet.
C)atoms in the bulb filament.
D)the wire leads to the lamp.
E)the source voltage.
Q2) The power dissipated in a 4-ohm resistor carrying 3 A is
A)7 W.
B)18 W.
C)36 W.
D)48 W.
E)need more information
Q3) The resistance of a filament that carries 2 A when a 10-V potential difference across it is
A)2 ohms.
B)5 ohms.
C)10 ohms.
D)20 ohms.
E)more than 20 ohms.
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Page 25
Chapter 24: Magnetism
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Q1) The force exerted on an electron moving in a magnetic field is maximum when the electron moves
A)parallel to the magnetic field.
B)perpendicular to the magnetic field.
C)either of these
D)neither of these
Q2) 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
Q3) Into which stable force field can a proton be placed at rest without being acted upon by a force?
A)magnetic field
B)electric field
C)both of these
D)neither of these
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26
Chapter 25: Electromagnetic Induction
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Q1) If the voltage produced by a generator alternates, it does so because
A)unlike a battery, it produces alternating current.
B)the changing magnetic field that produces it alternates.
C)of alterations in the mechanical energy input.
D)all of the above
E)none of the above
Q2) An electric motor is very similar to
A)an electric generator.
B)an automobile battery.
C)a radio receiver.
D)none of the above
Q3) Four amperes of current exist in the primary coil of a transformer. The voltage across the primary coil is 120 V. What is the power output of the secondary coil?
A)30 W
B)120 W
C)480 W
D)960 W
E)need more information
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27
Chapter 26: Properties of Light
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Q1) If an electric charge is shaken up and down frequently enough
A)sound can be emitted.
B)light can be emitted.
C)both of these
D)neither of these
Q2) What is the frequency of an electromagnetic wave that has a wavelength of 300,000 km?
A)less than 1 Hz
B)1 Hz
C)more than 1 Hz
Q3) Which of these electromagnetic waves have the shortest wavelength?
A)radio waves
B)infrared waves
C)X-rays
D)ultraviolet waves
E)light waves
Q4) Compared to ultraviolet waves, the wavelength of infrared waves is A)shorter.
B)the same.
C)longer.
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Chapter 27: Color
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Q1) What color light is transmitted by a piece of blue glass?
A)red
B)white
C)blue
D)yellow
E)orange
Q2) Colors seen on the cover of your physics book are due to color A)addition.
B)subtraction.
C)either of these
D)neither of these
Q3) Complementary colors are two colors that A)blend together.
B)are additive primary colors.
C)produce white light when subtracted.
D)produce white light when added.
E)are right for each other.
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Chapter 28: Reflection and Refraction
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Q1) When light passes through common windowpane, its angle of emergence is
A)usually less than its angle of incidence.
B)always less than its angle of incidence.
C)the same as its angle of incidence.
D)usually more than its angle of incidence.
E)always more than its angle of incidence.
Q2) To "spear" a blue fish with a red laser beam and compensate for refraction, aim your laser
A)directly at the sighted fish.
B)above the sighted fish.
C)below the sighted fish.
Q3) The image in a pinhole camera is
A)always inverted.
B)sometimes inverted.
C)always right-side up.
Q4) When a light ray in air enters water at 15° from the normal, it
A)always bends toward the normal.
B)always bends away from the normal.
C)sometimes bends towards or away from the normal.
D)does not bend.
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Chapter 29: Light Waves
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Q1) Diffraction from foghorns is best if the waves being diffracted are A)long.
B)short.
C)either of these
D)neither of these
Q2) Secondary wavelets spread from a wave with A)reduced speed.
B)an unchanging speed.
C)an increased speed.
D)none of the above
Q3) Light will NOT pass through a pair of Polaroids when their axes are A)45 degrees to each other.
B)parallel.
C)perpendicular.
D)all of the above
E)none of the above
Q4) The glare seen from water is largely A)horizontally polarized.
B)vertically polarized.
C)unpolarized.
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Chapter 30: Light Emission
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Sample Questions
Q1) Discrete spectral lines are observed when excitation occurs in a A)solid.
B)liquid.
C)gas.
D)superconductor.
E)all of the above
Q2) To keep chickens in a chicken coop warm, the kind of lamp to use is A)fluorescent.
B)CFL.
C)incandescent.
D)LED.
E)all about the same
Q3) The air that you breathe doesn't emit visible light indicates that most of the electrons of its atoms are
A)in the ground state.
B)excited to metastable states.
C)relatively cool.
D)electrically neutral.
E)relatively far apart.
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Page 32
Chapter 31: Light Quanta
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Q1) A lump of energy associated with light is called a A)quantum.
B)photon.
C)both of these
D)neither of these
Q2) The photons having greatest energy are those of A)infrared.
B)red light.
C)green light.
D)blue light.
E)ultraviolet.
Q3) When you adjust a telescope to get a clear image of Saturn's rings, in a small but measurable way you alter A)the telescope.
B)Saturn's rings.
C)both of these D)neither these
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Chapter 32: The Atom and the Quantum
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55 Verified Questions
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Sample Questions
Q1) The spectral lines of atomic spectra are
A)images of the slit in a spectroscope.
B)orderly, and even predictable.
C)as an identity of atoms as fingerprints are of people.
D)all of the above
E)none of the above
Q2) The first to be credited for assigning the terms positive and negative to electricity was
A)William Crookes.
B)J.J. Thomson.
C)Robert Millikan.
D)Benjamin Franklin.
E)none of the above
Q3) The finding that electrons in an atom occupy a volume much greater than the volume of the nucleus is best explained by
A)electromagnetic forces.
B)angular momentum conservation.
C)relative sizes of electrons and nuclei.
D)the wave nature of the electron.
E)none of the above
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Chapter 33: Atomic Nucleus and Radioactivity
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Sample Questions
Q1) Which radiation has no association with electric charge?
A)alpha
B)beta
C)gamma
D)all of the above
E)none of the above
Q2) Which experiences the least electrical force in an electric field?
A)alpha particle
B)beta particle
C)electron
D)gamma ray
E)all the same
Q3) The operation of a cloud chamber relies on
A)magnetization.
B)evaporation.
C)acceleration.
D)polarization.
E)condensation.
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35
Chapter 34: Nuclear Fission and Fusion
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Sample Questions
Q1) Plutonium is radioactively toxic
A)in any form.
B)although less toxic than radium.
C)both of these
D)neither of these
Q2) Compared with protons, neutrons are more effective nuclear bullets in nuclear reactions since they have
A)slightly greater mass than a proton.
B)no charge.
C)a wider cross-section than a proton.
D)all of the above
E)none of the above
Q3) A neutron will more likely slow in speed if it bounces from a A)light-weight nucleus.
B)nucleus of moderate mass.
C)heavy nucleus.
D)none of the above
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36
Chapter 35: Special Theory of Relativity
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Sample Questions
Q1) How fast would a light beam appear to Einstein if he were traveling in the same direction at 90% of the speed of light?
A)0
B)c
C)0.1c
D)1.10c
E)none of the above
Q2) What does c<sup>2</sup> have in common with ?
A)they are both proportionality constants
B)they have similar numerical values
C)they both involve different kinds of speed
D)all of the above
Q3) A spaceship whizzes past a planet at high speed. An observer on the planet sees a contracted spaceship, while an observer on the spaceship sees
A)a contracted planet.
B)an expanded planet.
C)a normal planet.
D)a contracted or expanded planet depending on the direction of travel.
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Chapter 36: General Theory of Relativity
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Sample Questions
Q1) A measuring stick on a rapidly rotating disk will not appear to shrink if it is oriented along the A)circumference.
B)radius.
C)either of these D)neither of these
Q2) An astronaut falling into a black hole would see the universe A)red-shifted.
B)blue-shifted.
C)with no shift at all.
Q3) If the Sun collapsed to a black hole, Earth would A)be sucked into the black hole.
B)follow a straight-line path into space.
C)continue in its present orbit.
Q4) The geometry of our universe is A)flat.
B)positively curved.
C)negatively curved.
D)all of the above
E)none of the above
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Chapter 37: Systems of Measurement
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Sample Questions
Q1) An object is dropped from a position of rest. At the end of the first second of free fall it will have traveled about
A)0 m
B)5 m
C)10 m
And its velocity will be about
D)0 m/s.
E)5 m/s.
F)10 m/s.
Q2) The Moon does not fall to Earth because
A)the net force on it is zero.
B)it is being pulled by the sun and planets as well as Earth.
C)it is beyond the main pull of Earth's gravity.
D)but it does fall!
More specifically, the Moon
E)is subject to both centripetal and centrifugal forces.
F)interacts with all massive bodies, both near and far.
G)is free of air resistance as well as other Earthly influences.
H)continually falls around Earth rather than straight into it.
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