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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. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Magnitude
Bohr atomic model
Loudness
Spring
2. A measure of the average kinetic energy of the molecules in a system. Temperature is related to heat by the specific heat of a given substance.
Uniform circular motion
Temperature
Zeroth Law of Thermodynamics
Radioactivity
3. An area of high air pressure that acts as the wave crest for sound waves. The spacing between successive compressions is the wavelength of sound - and the number of successive areas of compression that arrive at the ear per second is the frequency -
Center of curvature
Potential energy
Centripetal acceleration
Compression
4. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Neutrino
Rigid body
Newton
Alpha decay
5. The energy of a particle moving in space. It is defined in s of a particle's mass - m - and velocity - v - as (1/2)mv2.
Fundamental
Translational kinetic energy
Nucleus
Latent heat of sublimation
6. 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.
Weber
Component
Destructive interference
Thermal energy
7. 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
Neutrino
Heat engine
Velocity
8. The unit of magnetic flux - equal to one T · m2.
Diffraction grating
Period
Alpha particle
Weber
9. An experiment in 1879 that showed that the speed of light is constant to all observers. Einstein used the results of this experiment as support for his theory of special relativity.
Michelson-Morley experiment
Rotational motion
Calorie
Photon
10. A vector quantity - equal to the rate of change of the angular velocity vector with time. It is typically given in units of rad/s2.
Transverse waves
Translational kinetic energy
Angular acceleration
Weak nuclear force
11. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Heat transfer
Dynamics
Angular position
Deposition
12. Heat transfer via the mass movement of molecules.
Rarefaction
Gold foil experiment
Convection
Margin of error
13. The name of an electron released from the surface of a metal due to the photoelectric effect.
Reflection
Photoelectron
Antinode
Thermal equilibrium
14. 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
Coefficient of linear expansion
Temperature
Gravitational Potential Energy
15. 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
Electronvolt
Gravitational Potential Energy
Neutron number
Distance
16. An electromagnetic wave of very high frequency.
Induced current
Rarefaction
Cosine
Gamma ray
17. Given the period - T - and semimajor axis - a - of a planet's orbit - the ratio is the same for every planet.
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18. The emf created by the motion of a charge through a magnetic field.
Center of mass
Mass
Magnitude
Motional emf
19. An area of high air pressure that acts as the wave trough for sound waves. The spacing between successive rarefactions is the wavelength of sound - and the number of successive areas of rarefaction that arrive at the ear per second is the frequency -
Wave speed
Angular displacement
Rarefaction
Latent heat of transformation
20. 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
Right-hand rule
Orbit
Work
Centripetal force
21. A constant - J · s - which is useful in quantum physics. A second constant associated with Planck's constant is .
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22. 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.
Work
Tension force
Rarefaction
Kinematic equations
23. 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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24. 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
Magnification
Second Law of Thermodynamics
Weightlessness
Photoelectron
25. A mirror that is curved such that its center is farther from the viewer than the edges - such as the front of a spoon. Concave mirrors reflect light through a focal point.
Atom
Rutherford nuclear model
Inelastic collision
Concave mirror
26. 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
Beats
Zeroth Law of Thermodynamics
Boyle's Law
Coherent light
27. The study of the properties of visible light - i.e. - the portion of the electromagnetic spectrum with wavelengths between 360 and 780 nm (1 nm = m/s).
Rotational kinetic energy
Optics
Collision
First Law of Thermodynamics
28. A unit vector is a vector with length 1.
Coefficient of linear expansion
Basis vector
Universal gas constant
Unit vector
29. The effect of force on rotational motion.
Photoelectric effect
Potential energy
Torque
Amplitude
30. A system with many parts in periodic - or repetitive - motion. The oscillations in one part cause vibrations in nearby parts.
Cosine
Lenz's Law
Wave
Inclined plane
31. The motion of a body in a circular path with constant speed.
Traveling waves
Law of reflection
Uniform circular motion
Weak nuclear force
32. Light such that all of the associated waves have the same wavelength and are in phase.
Transformer
Coherent light
Kinetic friction
Rigid body
33. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Celsius
Kepler's Second Law
Inclined plane
Motional emf
34. 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
Inertial reference frame
Bohr atomic model
Angular velocity
Radiation
35. A wave with wave crests that propagate down the length of the medium - in contrast to stationary standing waves. The velocity at which a crest propagates is called the wave speed.
Traveling waves
Bohr atomic model
Standing wave
Coefficient of linear expansion
36. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Gold foil experiment
Total internal reflection
Mass
Beta particle
37. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Neutron
Sublimation
Radian
Electromagnetic wave
38. The disorder of a system.
Entropy
Period
Angular acceleration
Polarization
39. The substance that is displaced as a wave propagates through it. Air is the medium for sound waves - the string is the medium of transverse waves on a string - and water is the medium for ocean waves. Note that even if the waves in a given medium tra
Chain reaction
Work function
Medium
Radiation
40. A form of vector multiplication - where two vectors are multiplied to produce a third vector. The cross product of two vectors - A and B - separated by an angle - - is - where is a unit vector perpendicular to both A and B. To deine which direction
Cross product
Radius of curvature
Decay constant
Minima
41. The temperature at which a material will change phase from solid to liquid or liquid to solid.
Melting point
Direction
Reflection
Radius of curvature
42. The ray of light that is refracted through a surface into a different medium.
Static friction
Instantaneous velocity
Refracted ray
Gold foil experiment
43. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Celsius
Elastic collision
Beats
Critical angle
44. The bending of light as it passes from one medium to another. Light refracts toward the normal when going from a less dense medium into a denser medium and away from the normal when going from a denser medium into a less dense medium.
Radioactive decay
Weightlessness
Refraction
Dispersion
45. Waves produced by a source that is moving with respect to the observer will seem to have a higher frequency and smaller wavelength if the motion is towards the observer - and a lower frequency and longer wavelength if the motion is away from the obse
Doppler shift
Magnitude
Equilibrium
Diffraction grating
46. A vector quantity defined as the rate of change of the velocity vector with time.
Ground state
Frequency
Acceleration
Mechanical energy
47. A system that no external net force acts upon. Objects within the system may exert forces upon one another - but they cannot receive any impulse from outside forces. Momentum is conserved in isolated systems.
Meson
Electromagnetic wave
Isolated system
Charles's Law
48. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Incident ray
Convex mirror
Translational motion
Pascals
49. 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
Neutron number
Directly proportional
Kinematic equations
Electromagnetic induction
50. In the graphical representation of vectors - the tip of the arrow is the pointy end.
Meson
Critical angle
Medium
Tip