question stringlengths 16 282 | subject stringclasses 1
value | choices listlengths 4 4 | answer class label 4
classes |
|---|---|---|---|
A 10-N force at an angle 45° above the horizontal has a horizontal component of about | conceptual_physics | [
"7 N",
"5 N",
"10 N",
"12 N"
] | 0A |
The color of light most intense in the solar radiation curve is | conceptual_physics | [
"infrared",
"red",
"yellow-green",
"violet"
] | 2C |
If the current in the filament of a lamp is 3 A, the current in the connecting wire is | conceptual_physics | [
"less than 3 A",
"3 A",
"more than 3 A",
"Not enough information to say"
] | 1B |
When a model car speeds up to three times its original speed, its kinetic energy is | conceptual_physics | [
"the same",
"twice as great",
"three times greater",
"None of these"
] | 3D |
A diffraction grating relies on light | conceptual_physics | [
"interference",
"amplitudes",
"variations in brightness",
"being composed of photons"
] | 0A |
According to Coulomb, a pair of charged particles placed twice as close to each other experience a force | conceptual_physics | [
"twice as strong",
"four times as strong",
"half as strong",
"one-fourth as strong"
] | 1B |
The factors, both of which will increase the magnetic field strength of an electromagnet, are | conceptual_physics | [
"increased electrical current and fewer coils of wire",
"increased diameter of coil and an increase in the number of coils",
"an increase in the electrical current and using a strong ferromagnetic material like iron",
"using an air core instead of iron and increasing the diameter of the coil"
] | 2C |
The team that wins in a tug-of-war is the team that | conceptual_physics | [
"produces more tension in the rope than the opponent",
"pushes hardest on the ground",
"Both",
"Neither"
] | 1B |
In a series circuit, if the current in one lamp is 2 A, the current in the lamp next to it is | conceptual_physics | [
"half, 1 A",
"2 A",
"Depends on which lamp is closer to the battery",
"Not enough information to say"
] | 1B |
A 10-Ω resistor carries 10 A. The voltage across the resistor is | conceptual_physics | [
"0",
"more than 0 but less than 10 V",
"10 V",
"more than 10 V"
] | 3D |
A cannonball is fired horizontally at 10 m/s from a cliff. Its speed one second after being fired is about | conceptual_physics | [
"10 m/s",
"14 m/s",
"16 m/s",
"20 m/s"
] | 1B |
Sound travels in | conceptual_physics | [
"solids",
"liquids",
"gases",
"All of these"
] | 3D |
When a fusion reaction converts a pair of hydrogen isotopes to an alpha particle and a neutron most of the energy released is in the form of | conceptual_physics | [
"gamma radiation.",
"kinetic energy of the alpha particle.",
"kinetic energy of the neutron.",
"All of these about equally."
] | 2C |
The lowest possible temperature is absolute zero, at | conceptual_physics | [
"0 kelvin",
"−273°C",
"Both are the same",
"None of these"
] | 2C |
If the volume of an object were to double, with no change in mass, its density would | conceptual_physics | [
"halve.",
"double.",
"be the same.",
"None of these."
] | 0A |
A galvanometer can be calibrated to read electric | conceptual_physics | [
"current",
"voltage",
"Either of these",
"Neither of these"
] | 2C |
Which of these temperatures is likely when a container of water at 20°C is mixed with water at 28°C? | conceptual_physics | [
"19°C",
"22°C",
"30°C",
"Higher than 30°C"
] | 1B |
A 1134-Hz tuning fork is sounded at the same time a piano note is struck. You hear three beats per second. The frequency of the piano string is | conceptual_physics | [
"1131 Hz",
"1134 Hz",
"1137 Hz",
"More information is needed"
] | 3D |
When the temperature of a strip of iron is increased, the length of the strip | conceptual_physics | [
"also increases.",
"actually decreases.",
"may increase and may decrease.",
"decreases in width as it gets longer."
] | 0A |
When light undergoes interference, it can sometimes | conceptual_physics | [
"build up to more than the sum of amplitudes",
"cancel completely",
"Both of these",
"Neither of these"
] | 1B |
Which of these does NOT belong in the family of electromagnetic waves? | conceptual_physics | [
"Light",
"Sound",
"Radio waves",
"X-rays"
] | 1B |
A math book and a physics book sitting on a table are tied together with a length of string. With the string taut one book is pushed off the edge of the table. As it falls the other book is dragged horizontally across the table surface. With no friction acceleration of the books is | conceptual_physics | [
"zero",
"g/2",
"g",
"a value between zero and g"
] | 3D |
Newton’s law of cooling applies to objects that | conceptual_physics | [
"cool",
"warm up",
"Both",
"Neither"
] | 2C |
Consider a ball rolling in a horizontal circular path on the inside surface of a cone. The normal force on the ball | conceptual_physics | [
"is mg",
"is greater than mg always",
"may be greater or less than mg",
"is less than mg always"
] | 1B |
In either a fission event or a fusion event, a quantity that remains unchanged is the | conceptual_physics | [
"kinetic energy",
"mass",
"number of nucleons",
"binding of nucleons"
] | 2C |
If you were to travel at a speed close to the speed of light, you could notice that your own | conceptual_physics | [
"mass changes.",
"pulse decreases.",
"Both of these.",
"Neither of these."
] | 3D |
Sound travels in air by a series of | conceptual_physics | [
"compressions",
"rarefactions",
"Both of these",
"Neither of these"
] | 2C |
When a cannonball is fired from a cannon, both the cannonball and the cannon experience equal | conceptual_physics | [
"amounts of force",
"accelerations",
"Both",
"Neither"
] | 0A |
When red and blue light are overlapped, the color produced is | conceptual_physics | [
"magenta",
"yellow",
"cyan",
"white"
] | 0A |
Shock waves are produced by waves of sound | conceptual_physics | [
"overlapping one another",
"constructively interfering",
"moving slower than the source producing them",
"All of these"
] | 3D |
A rock suspended by a weighing scale weighs 5 N out of water and 3 N when submerged in water. What is the buoyant force on the rock? | conceptual_physics | [
"3 N",
"5 N",
"8 N",
"None of these"
] | 3D |
A capacitor loses half its remaining charge every second. If after five seconds its charge is q what was its initial charge? | conceptual_physics | [
"4q.",
"8q.",
"16q.",
"32q."
] | 3D |
The definition of magnetic inclination is the angle between | conceptual_physics | [
"magnetic north and geographic north",
"magnetic north and geographic south",
"the earth’s magnetic field at any point and the vertical",
"the earth’s magnetic field at any point and the horizontal"
] | 3D |
When an element ejects an alpha particle, the mass number of the resulting element | conceptual_physics | [
"reduces by 2",
"reduces by 4",
"increases by 2",
"increases by 4"
] | 1B |
A certain element emits 1 alpha particle, and its products then emit 2 beta particles in succession. The atomic number of the resulting element is changed by | conceptual_physics | [
"zero",
"minus 1",
"minus 2",
"plus 1"
] | 0A |
When an object is set vibrating by a wave that has a matching frequency, what occurs is | conceptual_physics | [
"forced vibration",
"resonance",
"refraction",
"amplitude reduction"
] | 1B |
The red glow in the neon tube of an advertising sign is a result of | conceptual_physics | [
"fluorescence",
"incandescence",
"de-excitation",
"polarization"
] | 2C |
When a wave moves from shallow water to deep water, the | conceptual_physics | [
"frequency decreases, the wavelength increases, and the speed increases",
"frequency does not change, the wavelength increases, and the speed increases",
"frequency does not change, the wavelength decreases, and the speed decreases",
"frequency does not change, the wavelength increases, and the speed decrease... | 1B |
Carbon-14 is primarily produced by cosmic radiation in the | conceptual_physics | [
"atmosphere",
"food we eat",
"Earth’s interior",
"fallout of nuclear bomb tests"
] | 0A |
Chain reactions in a fission reactor are caused by | conceptual_physics | [
"kinetic energy",
"energy conversion",
"mass conversion",
"ejected neutrons"
] | 3D |
Satellites in circular Earth orbit maintain a constant speed because gravitational force on them is | conceptual_physics | [
"zero",
"practically zero",
"appreciably weaker than at Earth’s surface",
"without a component of force along their circular path"
] | 3D |
To receive an electric shock there must be a | conceptual_physics | [
"current in one direction.",
"presence of moisture.",
"high voltage and low body resistance.",
"voltage difference across part or all of your body."
] | 3D |
When a diver points a flashlight upward toward the surface of the water at an angle 20° from the normal, the beam of light | conceptual_physics | [
"totally internally reflects",
"passes into the air above",
"is absorbed",
"None of these"
] | 1B |
In a vacuum, an object has no | conceptual_physics | [
"buoyant force",
"mass",
"weight",
"All of these"
] | 0A |
If you change the magnetic field in a closed loop of wire, what is created in the loop is a(n) | conceptual_physics | [
"current",
"voltage",
"electric field",
"All of these"
] | 3D |
Clocks on a fast-moving spaceship whizzing past Earth appear to run slow when viewed from | conceptual_physics | [
"inside the spaceship.",
"Earth.",
"Both of these.",
"Neither of these."
] | 1B |
Temperature is generally proportional to a substance’s | conceptual_physics | [
"thermal energy.",
"vibrational kinetic energy.",
"average translational kinetic energy.",
"rotational kinetic energy."
] | 2C |
In his special theory of relativity, Einstein stated that the laws of physics are | conceptual_physics | [
"different in different situations.",
"common sense applied to microscopic and macroscopic things.",
"the same in all frames of reference.",
"the same in all uniformly moving frames of reference."
] | 3D |
The amount of heat transferred to a system can be measured in | conceptual_physics | [
"calories",
"joules",
"Either",
"Neither"
] | 2C |
Light reflecting from a smooth surface undergoes a change in | conceptual_physics | [
"frequency.",
"wavelength.",
"All of these.",
"None of these."
] | 3D |
What Einstein discovered about space and time is that they | conceptual_physics | [
"are separate entities.",
"are parts of one whole.",
"follow an inverse-square law.",
"are special to space travelers."
] | 1B |
All parts of a laser beam have the same | conceptual_physics | [
"frequency",
"phase",
"speed",
"All of these"
] | 3D |
When small pieces of material are assembled into a larger piece, the combined surface area | conceptual_physics | [
"greatly increases",
"slightly increases",
"decreases",
"is unchanged"
] | 2C |
A rainbow is the result of light in raindrops that undergoes | conceptual_physics | [
"internal reflection",
"dispersion",
"refraction",
"All of these"
] | 3D |
When a spinning system contracts in the absence of an external torque its rotational speed increases and its angular momentum | conceptual_physics | [
"decreases",
"increases",
"remains unchanged",
"may increase or decrease"
] | 2C |
Boiling and freezing occur when water is subjected to | conceptual_physics | [
"decreased temperatures",
"decreased atmospheric pressure",
"increased temperatures",
"increased atmospheric pressure"
] | 1B |
When you bend the branch of a tree by hanging on its end, the top side of the branch is under | conceptual_physics | [
"tension.",
"compression.",
"Both.",
"Neither."
] | 0A |
A simple and correct way to comprehend satellites orbiting Earth is to view them as | conceptual_physics | [
"balanced between gravitational and centripetal forces.",
"beyond the main pull of Earth gravity.",
"in mechanical equilibrium with a net force of zero.",
"having sufficient tangential velocities to fall around rather than into Earth."
] | 3D |
When an increase in speed doubles the kinetic energy of a moving body its momentum | conceptual_physics | [
"increases but less than doubles",
"doubles",
"more than doubles",
"depends on factors not stated"
] | 0A |
Suppose the number of neutrons in a reactor that is starting up doubles each minute reaching one billion neutrons in 10 minutes. When did the number of neutrons reach half a billion? | conceptual_physics | [
"1 minute.",
"2 minutes.",
"5 minutes.",
"9 minutes."
] | 3D |
If an object is already moving and the sum of all the vector forces on a mass is zero, then the object will | conceptual_physics | [
"move at a constant speed in a straight line",
"accelerate at a constant rate in a straight line",
"come to rest",
"increase its amount of inertia"
] | 0A |
Put a saucer of water on your table. A process that then occurs is | conceptual_physics | [
"evaporation",
"condensation",
"Both",
"Neither"
] | 2C |
According to four-dimensional geometry, the angles of a triangle add to 180° | conceptual_physics | [
"always.",
"sometimes.",
"never.",
"on planet Earth only."
] | 1B |
When an increase in speed doubles the momentum of a moving body its kinetic energy | conceptual_physics | [
"increases but less than doubles",
"doubles",
"more than doubles",
"depends on factors not stated"
] | 2C |
General relativity predicts that | conceptual_physics | [
"light leaving the Sun is slowed by gravity.",
"light passing the Sun is deflected.",
"a clock on the Sun’s surface runs faster than on Earth.",
"All of these."
] | 3D |
When an element ejects an alpha particle, the atomic number of the resulting element | conceptual_physics | [
"reduces by 2",
"reduces by 4",
"increases by 2",
"increases by 4"
] | 0A |
An airplane with its nose pointing north with an airspeed of 40 km/h in a 30-km/h crosswind (at right angles) has a groundspeed of | conceptual_physics | [
"30 km/h",
"40 km/h",
"50 km/h",
"60 km/h"
] | 2C |
The energy of an emitted photon is related to its | conceptual_physics | [
"amplitude",
"polarization",
"momentum",
"frequency"
] | 3D |
Thermal conduction involves mainly | conceptual_physics | [
"electrons",
"protons",
"neutrons",
"ions"
] | 0A |
A voltage will be induced in a wire loop when the magnetic field within that loop | conceptual_physics | [
"changes",
"aligns with the electric field",
"is at right angles to the electric field",
"converts to magnetic energy"
] | 0A |
Bow waves are produced by waves of water | conceptual_physics | [
"overlapping one another",
"constructively interfering",
"moving slower than the source producing them",
"All of these"
] | 3D |
The second law of thermodynamics tells us that heat doesn’t flow from | conceptual_physics | [
"hot to cold ever",
"cold to hot ever",
"hot to cold without external energy",
"cold to hot without external energy"
] | 3D |
The vibrations in a longitudinal wave move in a direction | conceptual_physics | [
"along and parallel to the wave",
"perpendicular to the wave",
"Both of these",
"Neither of these"
] | 0A |
The potential energy of a compressed spring and the potential energy of a charged object both depend on | conceptual_physics | [
"the work done on them",
"motion",
"Both of these",
"Neither of these"
] | 0A |
In a circuit of two lamps in parallel, if the current in one lamp is 2 A, the current in the other lamp is | conceptual_physics | [
"about 1 A",
"2 A",
"Depends on which lamp is closer to the battery",
"Not enough information to say"
] | 3D |
The loudness of a sound is most closely related to its | conceptual_physics | [
"frequency",
"period",
"wavelength",
"amplitude"
] | 3D |
The electric field inside the dome of a Van de Graaff generator is zero when the dome is | conceptual_physics | [
"charged",
"uncharged",
"Either of these",
"Neither of these"
] | 2C |
When a proton is plucked from an atomic nucleus, the atom has a decrease in | conceptual_physics | [
"charge",
"energy",
"mass",
"all of these"
] | 3D |
The red glow in the neon tube of an advertising sign is a result of | conceptual_physics | [
"fluorescence.",
"coherence.",
"polarization.",
"de-excitation."
] | 3D |
Light that is not transmitted by opaque materials is | conceptual_physics | [
"reflected or converted to internal energy in the material.",
"mainly reflected.",
"mainly refracted.",
"transmitted at a lower frequency."
] | 0A |
A torque is a force | conceptual_physics | [
"like any other force",
"multiplied by a lever arm",
"that is fictitious",
"that accelerates things"
] | 1B |
All of the following are electromagnetic waves EXCEPT | conceptual_physics | [
"microwaves",
"light waves",
"X-rays",
"None is outside the family; all are electromagnetic waves"
] | 3D |
Big brother and little sister can balance on a seesaw because of balanced | conceptual_physics | [
"forces",
"torques",
"energies",
"All of these"
] | 1B |
Any atom that emits an alpha particle or beta particle | conceptual_physics | [
"becomes an atom of a different element always.",
"may become an atom of a different element.",
"becomes a different isotope of the same element.",
"increases its mass."
] | 0A |
Regelation occurs due to water’s | conceptual_physics | [
"high specific heat",
"open-structured ice crystals",
"high rate of expansion",
"slight tendency to freeze when its temperature is lowered"
] | 1B |
A capacitor can store | conceptual_physics | [
"charge",
"energy",
"Both of these",
"Neither of these"
] | 2C |
For a tube closed at one end, the length of the tube at a frequency of 256 Hz will be | conceptual_physics | [
"one-quarter the value for a tube open at both ends",
"one-half the value for a tube open at both ends",
"twice the value for a tube open at both ends",
"four times the value for a tube open at both ends"
] | 1B |
The period of a 10-Hz wave is | conceptual_physics | [
"1/10 s",
"1.0 s",
"10 s",
"None of these"
] | 0A |
The flight of a blimp best illustrates | conceptual_physics | [
"Archimedes’ principle",
"Pascal’s principle",
"Bernoulli’s principle",
"Boyle’s law"
] | 0A |
The phenomenon of interference occurs for | conceptual_physics | [
"sound waves",
"light waves",
"Both of these",
"Neither of these"
] | 2C |
A wave transfers | conceptual_physics | [
"amplitude",
"wavelength",
"frequency",
"energy"
] | 3D |
When a uranium nucleus undergoes fission the energy released is primarily in the form of | conceptual_physics | [
"gamma radiation.",
"kinetic energy of fission fragments.",
"kinetic energy of ejected neutrons.",
"All of these about equally."
] | 1B |
When a ball at rest hangs by a single vertical string tension in the string is mg. If the ball is made to move in amhorizontal circle so that the string describes a cone string tension | conceptual_physics | [
"is mg",
"is greater than mg always",
"is less than mg always",
"may be greater or less than mg depending on the speed of the ball"
] | 1B |
Lift a 100-N crate with an ideal pulley system by pulling a rope downward with 25 N of force. For every 1-m length of rope pulled down, the crate rises | conceptual_physics | [
"25 cm",
"25 m",
"50 cm",
"None of these"
] | 0A |
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