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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. A back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Quark
Gravitational Potential Energy
Sound
Oscillation
2. A means of defining the direction of the cross product vector. To define the direction of the vector - position your right hand so that your fingers point in the direction of A - and then curl them around so that they point in the direction of B. Th
Kinematic equations
Transverse waves
Ground state
Right-hand rule
3. The units of frequency - defined as inverse-seconds (1 Hz = 1 s-1). "Hertz" can be used interchangeably with "cycles per second."
Angle of reflection
Hertz (Hz)
Sound
Focal point
4. The straight line that runs through the focal point and the vertex of a mirror or lens.
Incident ray
Energy
Kinetic theory of gases
Principal axis
5. The points midway between nodes on a standing wave - where the oscillations are largest.
Trough
Snell's Law
Antinode
Atom
6. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Threshold frequency
Critical angle
Latent heat of sublimation
Third Law of Thermodynamics
7. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Inversely proportional
Optics
Half
Electric generator
8. The points on a standing wave where total destructive interference causes the medium to remain fixed at its equilibrium position.
Quark
Node
Joule
Superposition
9. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Pulley
Loudness
Chain reaction
Legs
10. Two oscillators that have the same frequency and amplitude - but reach their maximum displacements at different times - are said to have different phases. Similarly - two waves are in phase if their crests and troughs line up exactly - and they are o
Medium
Newton's Second Law
Pitch
Phase
11. The amount of error that's possible in a given measurement.
Margin of error
Loudness
Moment of inertia
Speed
12. A constant in the numerator of a formula.
Constant of proportionality
Direction
Real image
Destructive interference
13. A collision in which the colliding particles stick together.
Completely inelastic collision
Cycle
Harmonic series
Sine
14. A mirror that is curved such that its center is closer to the viewer than the edges - such as a doorknob. Convex mirrors reflect light away from a focal point.
Specific heat
Tangent
Inversely proportional
Convex mirror
15. The principle stating that for any isolated system - linear momentum is constant with time.
Conservation of momentum
Dispersion
Rotational motion
Wavelength
16. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Fundamental
Unit vector
Simple harmonic oscillator
Orbit
17. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Kepler's First Law
Acceleration
Radian
Diffraction grating
18. 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.
Third Law of Thermodynamics
Speed
Isotope
Virtual image
19. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Momentum
Newton
Meson
Radiation
20. A unit of measurement for energy on atomic levels. 1 eV = J.
Electronvolt
Radioactivity
Half
Amplitude
21. Done when energy is transferred by a force. The work done by a force F in displacing an object by s is W = F · s.
Mass defect
Tip
Work
Centripetal acceleration
22. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Spring
Weber
Beta particle
Absolute zero
23. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.
Radius of curvature
Newton's Law of Universal Gravitation
Centripetal force
Decay constant
24. An image created by a mirror or lens in such a way that light does actually come from where the image appears to be. If you place a screen in front of a real image - the image will be projected onto the screen.
Half
Heat transfer
Real image
Power
25. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.
Critical angle
Vertex
Magnification
Conservation of Angular Momentum
26. The energy of the molecules that make up an object. It is related to heat - which is the amount of energy transferred from one object to another object that is a different temperature.
Thermal energy
Energy
Sine
Wave
27. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Rotational motion
Loudness
Spectroscope
Distance
28. The index of refraction n = c/v of a substance characterizes the speed of light in that substance - v. It also characterizes - by way of Snell's Law - the angle at which light refracts in that substance.
Index of refraction
Significant digits
Boyle's Law
Radian
29. The amplification of one wave by another - identical wave of the same sign. Two constructively interfering waves are said to be "in phase."
Constructive interference
Mass number
Transformer
Coefficient of static friction
30. The points of maximum negative displacement along a wave. They are the opposite of wave crests.
Trough
Zeroth Law of Thermodynamics
Chain reaction
Reflect
31. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Dot product
Universal gas constant
Sublimation
Threshold frequency
32. Also called a diverging lens - a lens that is thinner in the middle than at the edges. Concave lenses refract light away from a focal point.
Concave lens
Gravitational constant
Tangent
Planck's constant
33. The net change - - in a point's angular position - . It is a scalar quantity.
Angular displacement
Kelvin
Latent heat of sublimation
Sine
34. Two quantities are directly proportional if an increase in one results in a proportional increase in the other - and a decrease in one results in a proportional decrease in the other. In a formula defining a certain quantity - those quantities to whi
Directly proportional
Constant of proportionality
Motional emf
Tip
35. The amount of heat necessary for a material undergoing sublimation to make a phase change from gas to solid or solid to gas - without a change in temperature.
Free
Atom
Bohr atomic model
Latent heat of sublimation
36. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Speed
System
Radius of curvature
Axis of rotation
37. The phenomenon of light bouncing off a surface - such as a mirror.
Magnification
Standing wave
Reflection
Second Law of Thermodynamics
38. The emf created by the motion of a charge through a magnetic field.
Motional emf
Beta decay
Specific heat
Mutual Induction
39. The line that every particle in the rotating rigid body circles about.
Angular acceleration
Weber
Oscillation
Axis of rotation
40. An object cannot be cooled to absolute zero.
Legs
Third Law of Thermodynamics
Alpha decay
Inertia
41. 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
Torque
Newton's Second Law
Latent heat of transformation
Potential energy
42. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Quark
Polarization
Latent heat of fusion
First Law of Thermodynamics
43. A vector quantity - L - that is the rotational analogue of linear momentum. For a single particle - the angular momentum is the cross product of the particle's displacement from the axis of rotation and the particle's linear momentum - . For a rigid
Diffraction grating
Convection
Angular momentum
Motional emf
44. The temperature at which a material will change phase from solid to liquid or liquid to solid.
Maxima
Ground state
Magnetic flux
Melting point
45. The amount heat necessary to cause a substance to undergo a phase transition.
Beats
Work
Angular period
Latent heat of transformation
46. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
Instantaneous velocity
Rutherford nuclear model
Boyle's Law
Joule
47. 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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48. The energy associated with the configuration of bodies attracted to each other by the gravitational force. It is a measure of the amount of work necessary to get the two bodies from a chosen point of reference to their present position. This point of
Gravitational Potential Energy
Speed
Celsius
Traveling waves
49. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Nucleus
Potential energy
Completely inelastic collision
Diffraction grating
50. Indicates how "bouncy" or "stiff" a spring is. More specifically - the spring constant - k - is the constant of proportionality between the restoring force exerted by the spring - and the spring's displacement from equilibrium. The greater the value
Neutrino
Spring constant
Oscillation
Critical angle