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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 vector quantity - - that reflects the change of angular displacement with time - and is typically given in units of rad/s. To find the direction of the angular velocity vector - take your right hand and curl your fingers along the particle or body
Angular velocity
Amplitude
Kepler's First Law
Mass number
2. 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
Atom
Amplitude
Mechanical energy
Boyle's Law
3. 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
Incident ray
Restoring force
Right-hand rule
Mutual Induction
4. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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5. The state of a nonrotating object upon whom the net torque acting is zero.
Electromagnetic wave
Induced current
Reflected ray
Equilibrium
6. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Deposition
Threshold frequency
Moment of inertia
Inversely proportional
7. 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.
Hypotenuse
Temperature
Atomic number
Wave speed
8. The time - T - required for a rigid body to complete one revolution.
Angular period
Nuclear fusion
Real image
Constant of proportionality
9. For a reflected light ray - . In other words - a ray of light reflects of a surface in the same plane as the incident ray and the normal - and at an angle to the normal that is equal to the angle between the incident ray and the normal.
Convex lens
Law of reflection
Celsius
Phase change
10. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Cosine
Frequency
Atomic number
Free
11. A collision in which momentum is conserved but kinetic energy is not.
Right-hand rule
Coefficient of static friction
Inelastic collision
Mole
12. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Longitudinal waves
Gold foil experiment
Faraday's Law
Law of conservation of energy
13. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Displacement
Dynamics
Trough
Kepler's Second Law
14. 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
Phase
Heat engine
Quark
Completely inelastic collision
15. In the Bohr model of the atom - the state in which an electron has the least energy and orbits closest to the nucleus.
Reflected ray
Gamma decay
Radiation
Ground state
16. 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
Second Law of Thermodynamics
Constant of proportionality
Charles's Law
Angle of refraction
17. The unit of magnetic flux - equal to one T · m2.
Weber
Power
Basis vector
Radius of curvature
18. A device made of two coils - which converts current of one voltage into current of another voltage. In a step-up transformer - the primary coil has fewer turns than the secondary - thus increasing the voltage. In a step-down transformer - the seconda
Transformer
Sublimation
Crest
Neutron number
19. An object that retains its overall shape - meaning that the particles that make up the rigid body stay in the same position relative to one another.
Uncertainty principle
Rigid body
Proton
Neutron
20. 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
Directly proportional
Dispersion
Spring constant
Electromagnetic induction
21. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Moment of inertia
Alpha decay
Newton's Second Law
Boiling point
22. When electromagnetic radiation shines upon a metal - the surface of the metal releases energized electrons. The way in which these electrons are released contradicts classical theories of electromagnetic radiation and supports the quantum view accord
Photoelectric effect
Angular momentum
Photoelectron
Cycle
23. A unit of measurement for energy on atomic levels. 1 eV = J.
Equilibrium position
Cycle
Radius of curvature
Electronvolt
24. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Sound
Pressure
Michelson-Morley experiment
Translational kinetic energy
25. The straight line that runs through the focal point and the vertex of a mirror or lens.
Activity
Principal axis
Electron
Celsius
26. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.
Sound
Equilibrium
Latent heat of sublimation
Newton's Third Law
27. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Neutrino
Pitch
Coherent light
Node
28. 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.
Momentum
Newton
Medium
Latent heat of sublimation
29. A coefficient that tells how much the volume of a solid will change when it is heated or cooled.
Coefficient of volume expansion
Constructive interference
Half
Refraction
30. A model for the atom developed in 1913 by Niels Bohr. According to this model - the electrons orbiting a nucleus can only orbit at certain particular radii. Excited electrons may jump to a more distant radii and then return to their ground state - em
Vector
Radioactive decay
Beta particle
Bohr atomic model
31. The effect of force on rotational motion.
Incident ray
Torque
Entropy
Work-energy theorem
32. 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.
Atomic number
Radius of curvature
Alpha decay
Legs
33. 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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34. 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.
Period
Velocity
Isotope
Translational kinetic energy
35. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Mass number
Spring constant
Centripetal force
Newton
36. An object at rest remains at rest - unless acted upon by a net force. An object in motion remains in motion - unless acted upon by a net force.
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37. 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.
Potential energy
Oscillation
Convex mirror
Absolute zero
38. A transverse traveling wave created by the oscillations of an electric field and a magnetic field. Electromagnetic waves travel at the speed of light - m/s. Examples include microwaves - X rays - and visible light.
Destructive interference
Electromagnetic wave
Heat transfer
Reflection
39. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Medium
Orbit
Beta particle
Uniform circular motion
40. A form of vector multiplication - where two vectors are multiplied to produce a scalar. The dot product of two vectors - A and B - is expressed by the equation A · B = AB cos .
Faraday's Law
Dot product
Electromagnetic wave
Pascals
41. Two materials are in thermal equilibrium if they are at the same temperature.
Gamma ray
Gamma decay
Tip
Thermal equilibrium
42. 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
Half
Beats
Rotational kinetic energy
Translational kinetic energy
43. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Simple harmonic oscillator
Radiation
Period
Equilibrium
44. A system with many parts in periodic - or repetitive - motion. The oscillations in one part cause vibrations in nearby parts.
Dot product
Frictional force
Weightlessness
Wave
45. Kinematics is the study and description of the motion of objects.
Kinematics
Potential energy
Moment of inertia
Vertex
46. The tendency of an object to remain at a constant velocity - or its resistance to being accelerated. Newton's First Law is alternatively called the Law of Inertia because it describes this tendency.
Longitudinal waves
Inertia
Angular velocity
Latent heat of vaporization
47. The number - N - of neutrons in an atomic nucleus.
Elastic collision
Neutron number
Incident ray
Angular displacement
48. A wavelength - given by = h/mv - which is associated with matter. Louis de Broglie proposed the idea that matter could be treated as waves in 1923 and applied this theory successfully to small particles like electrons.
Beta decay
Radioactive decay
Vector
De Broglie wavelength
49. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Elastic collision
Work function
Angle of incidence
Boyle's Law
50. States that the net work done on an object is equal to the object's change in kinetic energy.
Pulley
Joule
Neutron
Work-energy theorem