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Test your basic knowledge |
SAT Subject Test: hysics
Start Test
Study First
Subjects
:
sat
,
science
,
physics
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Energy associated with an object's position in space - or configuration in relation to other objects. This is a latent form of energy - where the amount of potential energy reflects the amount of energy that potentially could be released as kinetic e
Angle of refraction
Acceleration
Potential energy
Centripetal force
2. States that the current induced in a circuit by a change in magnetic flux is in the direction that will oppose that change in flux. Using the right-hand rule - point your thumb in the opposite direction of the change in magnetic flux. The direction y
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3. For a gas held at constant pressure - temperature and volume are directly proportional.
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4. A vector quantity defined as the rate of change of the displacement vector with time. It is to be contrasted with speed - which is a scalar quantity for which no direction is specified.
Velocity
Isotope
Deposition
Inversely proportional
5. Essentially a restatement of energy conservation - it states that the change in the internal energy of a system is equal to the heat added plus the work done on the system.
First Law of Thermodynamics
Oscillation
Pendulum
Celsius
6. The position - of an object according to a co-ordinate system measured in s of the angle of the object from a certain origin axis. Conventionally - this origin axis is the positive x-axis.
Angular position
Significant digits
Celsius
Refraction
7. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Pascals
Photoelectric effect
Sound
Induced current
8. The ratio of the size of the image produced by a mirror or lens to the size of the original object. This number is negative if the image is upside-down.
Focal length
Equilibrium position
Magnification
Kinetic energy
9. A class of elementary particle whose mass is between that of a proton and that of an electron. A common kind of meson is the pion.
Newton's Second Law
Meson
Kinematics
Vector
10. A system with many parts in periodic - or repetitive - motion. The oscillations in one part cause vibrations in nearby parts.
Latent heat of vaporization
Decay constant
Meson
Wave
11. Linear momentum - p - commonly called "momentum" for short - is a vector quantity defined as the product of an object's mass - m - and its velocity - v.
Maxima
Focal point
Momentum
Newton's Third Law
12. The amount of heat necessary to transform a liquid at a given temperature into a gas of the same temperature - or the amount of heat needed to be taken away from a gas of a given temperature to transform it into a liquid of the same temperature.
Angular frequency
Decay constant
Period
Latent heat of vaporization
13. The force between two surfaces moving relative to one another. The frictional force is parallel to the plane of contact between the two objects and in the opposite direction of the sliding object's motion.
Collision
Kinetic friction
Spectroscope
Pendulum
14. A push or a pull that causes an object to accelerate.
Electric generator
Force
Heat engine
Tension force
15. The cancellation of one wave by another wave that is exactly out of phase with the first. Despite the dramatic name of this phenomenon - nothing is "destroyed" by this interference—the two waves emerge intact once they have passed each other.
Radioactivity
Destructive interference
Right-hand rule
Third Law of Thermodynamics
16. States that the net work done on an object is equal to the object's change in kinetic energy.
Harmonic series
Vertex
Photon
Work-energy theorem
17. A conserved scalar quantity associated with the state or condition of an object or system of objects. We can roughly define energy as the capacity for an object or system to do work. There are many different types of energy - such as kinetic energy -
Bohr atomic model
Motional emf
Polarization
Energy
18. When two waves of slightly different frequencies interfere with one another - they produce a "beating" interference pattern that alternates between constructive (in-phase) and destructive (out-of-phase). In the case of sound waves - this sort of inte
Work
Gravitational Potential Energy
Second Law of Thermodynamics
Beats
19. The points midway between nodes on a standing wave - where the oscillations are largest.
Angle of reflection
Antinode
Photoelectric effect
Boyle's Law
20. The energy of a particle rotating around an axis.
Inclined plane
Thermal equilibrium
Mechanical energy
Rotational kinetic energy
21. The phenomenon of light bouncing off a surface - such as a mirror.
System
Equilibrium position
Mass
Reflection
22. A force caused by the roughness of two materials in contact - deformations in the materials - and a molecular attraction between the materials. Frictional forces are always parallel to the plane of contact between two surfaces and opposite the direct
Mass
Reflected ray
Distance
Frictional force
23. The building blocks of all matter - atoms are made up of a nucleus consisting of protons and neutrons - and a number of electrons that orbit the nucleus. An electrically neutral atom has as many protons as it has electrons.
Pulley
Neutron number
Spring constant
Atom
24. In reference to oscillation - amplitude is the maximum displacement of the oscillator from its equilibrium position. Amplitude tells how far an oscillator is swinging back and forth. In periodic motion - amplitude is the maximum displacement in each
Pendulum
Amplitude
Charles's Law
Optics
25. A nuclear reaction that takes place only at very high temperatures. Two light atoms - often hydrogen - fuse together to form a larger single atom - releasing a vast amount of energy in the process.
Nuclear fusion
Spectroscope
Third Law of Thermodynamics
Direction
26. A vector quantity - commonly denoted by the vector s - which reflects an object's change in spatial position. The displacement vector points from the object's starting position to the object's current position in space. If an object is moved from poi
Inversely proportional
Entropy
Index of refraction
Displacement
27. A measurement of a body's inertia - or resistance to being accelerated.
Constructive interference
Mass
Elastic collision
Sine
28. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Force
Dot product
Newton's First Law
Deposition
29. The amount of heat of a material required to raise the temperature of either one kilogram or one gram of that material by one degree Celsius. Different units may be used depending on whether specific heat is measured in s of grams or kilograms - and
Calorie
Specific heat
Electromagnetic induction
Maxima
30. The speed at which a wave crest or trough propagates. Note that this is not the speed at which the actual medium (like the stretched string or the air particles) moves.
Frictional force
Isolated system
Wave speed
Weightlessness
31. Waves that oscillate in the same direction as the propagation of the wave. Sound is carried by longitudinal waves - since the air molecules move back and forth in the same direction the sound travels.
Doppler shift
Longitudinal waves
Gold foil experiment
Coefficient of linear expansion
32. There are a few versions of this law. One is that heat flows spontaneously from hot to cold - but not in the reverse direction. Another is that there is no such thing as a 100% efficient heat engine. A third states that the entropy - or disorder - of
Transverse waves
Torque
Diffraction grating
Second Law of Thermodynamics
33. The experience of being in free fall. If you are in a satellite - elevator - or other free-falling object - then you have a weight of zero Newtons relative to that object.
Weightlessness
Sublimation
Destructive interference
Margin of error
34. A form of radioactivity where an excited atom releases a photon of gamma radiation - thereby returning to a lower energy state. The atomic structure itself does not change in the course of gamma radiation.
Gamma decay
Dot product
Convex mirror
Rarefaction
35. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Ideal gas law
Pressure
Mole
Angular period
36. The units of frequency - defined as inverse-seconds (1 Hz = 1 s-1). "Hertz" can be used interchangeably with "cycles per second."
Energy
Weightlessness
Hertz (Hz)
De Broglie wavelength
37. A scalar quantity that tells us how fast an object is moving. It measures the rate of change in distance over time. Speed is to be contrasted with velocity in that there is no direction associated with speed.
Newton's Third Law
Speed
Meson
Mechanical energy
38. The model of the atom according to which negatively charged electrons orbit a positively charged nucleus. This model was developed by Ernest Rutherford in light of the results from his gold foil experiment.
Constructive interference
Electromagnetic spectrum
Weightlessness
Rutherford nuclear model
39. The center of a mirror or lens.
Total internal reflection
Latent heat of vaporization
Gravitational Potential Energy
Vertex
40. A number - Z - associated with the number of protons in the nucleus of an atom. Every element can be defined in s of its atomic number - since every atom of a given element has the same number of protons.
Direction
Atomic number
Destructive interference
Power
41. The reaction force of the ground - a table - etc. - when an object is placed upon it. The normal force is a direct consequence of Newton's Third Law: when an object is placed on the ground - the ground pushes back with the same force that it is pushe
Radioactivity
Kinetic theory of gases
Law of reflection
Normal force
42. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.
Wave speed
Medium
Superposition
Pendulum
43. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Acceleration
Half
Radius of curvature
Normal force
44. The line perpendicular to a surface. There is only one normal for any given surface.
Induced current
Normal
Neutron
Reflection
45. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Wave speed
Weak nuclear force
Radian
Coefficient of static friction
46. The cosine of an angle in a right triangle is equal to the length of the side adjacent to the angle divided by the length of the hypotenuse.
Cosine
Isotope
Momentum
Compression
47. The ray of light that is reflected from a mirror or other reflecting surface.
Reflected ray
Hertz (Hz)
Temperature
Melting point
48. Heat transfer via electromagnetic waves.
Radiation
Incident ray
Velocity
Nuclear fusion
49. Two materials are in thermal equilibrium if they are at the same temperature.
Doppler shift
Frictional force
Angular acceleration
Thermal equilibrium
50. The time it takes a system to pass through one cycle of its repetitive motion. The period - T - is the inverse of the motion's frequency - f = 1/T.
Magnetic flux
Reflected ray
Neutron
Period