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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. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Polarization
Rotational motion
Standing wave
Pendulum
2. An electromagnetic wave of very high frequency.
Thermal equilibrium
Gamma ray
Kepler's First Law
Directly proportional
3. A form of radioactive decay where a heavy element emits an alpha particle and some energy - thus transforming into a lighter - more stable - element.
Phase
Alpha decay
Isolated system
Radian
4. 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.
Angular acceleration
Maxima
Margin of error
Motional emf
5. The lowest theoretical temperature a material can have - where the molecules that make up the material have no kinetic energy. Absolute zero is reached at 0 K or -273º C.
Right-hand rule
Vector
Translational kinetic energy
Absolute zero
6. A small particle-like bundle of electromagnetic radiation.
Momentum
Newton's Law of Universal Gravitation
Specific heat
Photon
7. A scalar quantity. If an object is moved from point A to point B in space along path AB - the distance that the object has traveled is the length of the path AB. Distance is to be contrasted with displacement - which is simply a measure of the distan
Angular position
Internal energy
Distance
Instantaneous velocity
8. A collision in which momentum is conserved but kinetic energy is not.
Unit vector
Inelastic collision
Celsius
Cosine
9. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Conservation of Angular Momentum
Nucleus
Charles's Law
Calorie
10. Given the trajectory of an object or system - the center of mass is the point that has the same acceleration as the object or system as a whole would have if its mass were concentrated at that point. In terms of force - the center of mass is the poin
Center of mass
Sine
Normal force
Destructive interference
11. The stable position of a system where the net force acting on the object is zero.
Equilibrium position
Kinematics
Inelastic collision
Wavelength
12. The two shorter sides of a right triangle that meet at the right angle.
Convection
Latent heat of vaporization
Newton
Legs
13. The center of a mirror or lens.
Axis of rotation
Latent heat of sublimation
Chain reaction
Vertex
14. A rigid body's resistance to being rotated. The moment of inertia for a single particle is MR2 - where M is the mass of the rigid body and R is the distance to the rotation axis. For rigid bodies - calculating the moment of inertia is more complicate
Inertia
Motional emf
Phase change
Moment of inertia
15. The movement of a rigid body's center of mass in space.
Coefficient of linear expansion
Angular momentum
Oscillation
Translational motion
16. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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17. The ray of light that is refracted through a surface into a different medium.
Destructive interference
Angular displacement
Refracted ray
Bohr atomic model
18. An equation - PV = nRT - that relates the pressure - volume - temperature - and quantity of an ideal gas. An ideal gas is one that obeys the approximations laid out in the kinetic theory of gases.
Kinetic theory of gases
Ideal gas law
Kinetic energy
Restoring force
19. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Restoring force
Rutherford nuclear model
Angular position
Mutual Induction
20. A reference frame in which Newton's First Law is true. Two inertial reference frames move at a constant velocity relative to one another. According to the first postulate of Einstein's theory of special relativity - the laws of physics are the same i
Hertz (Hz)
Kepler's Third Law
Fundamental
Inertial reference frame
21. When an object is held in circular motion about a massive body - like a planet or a sun - due to the force of gravity - that object is said to be in orbit. Objects in orbit are in perpetual free fall - and so are therefore weightless.
Cycle
Newton
Orbit
Kinetic friction
22. The straight line that runs through the focal point and the vertex of a mirror or lens.
Principal axis
Magnetic flux
Spectroscope
Loudness
23. In radioactive substances - the number of nuclei that decay per second. Activity - A - will be larger in large samples of radioactive material - since there will be more nuclei.
Weightlessness
Charles's Law
Activity
Rutherford nuclear model
24. 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 -
Magnetic flux
Harmonic series
Kepler's Third Law
Energy
25. Represented by R = 8.31 J/mol · K - the universal gas constant fits into the ideal gas law so as to relate temperature to the average kinetic energy of gas molecules.
Tail
Mass defect
Momentum
Universal gas constant
26. 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
Gamma decay
Distance
Atom
27. Two materials are in thermal equilibrium if they are at the same temperature.
Angle of refraction
Latent heat of vaporization
Thermal equilibrium
Inversely proportional
28. 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).
Neutron number
Gravitational Potential Energy
Optics
Angular frequency
29. A transfer of thermal energy from one system to another.
Heat transfer
Magnification
Centripetal force
Rarefaction
30. The amount of error that's possible in a given measurement.
Margin of error
Power
Kepler's Third Law
Inelastic collision
31. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.
Superposition
Pendulum
Unit vector
Radioactivity
32. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Directly proportional
Critical angle
Magnitude
Mutual Induction
33. A back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Oscillation
Rotational motion
Electric generator
Loudness
34. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Deposition
Photoelectric effect
Rotational motion
Sublimation
35. The energy of a particle rotating around an axis.
Convex mirror
Sound
Rotational kinetic energy
Temperature
36. The distance between the focal point and the vertex of a mirror or lens. For concave mirrors and convex lenses - this number is positive. For convex mirrors and concave lenses - this number is negative.
Kinetic theory of gases
Trough
Destructive interference
Focal length
37. Another word for the frequency of a sound wave.
Zeroth Law of Thermodynamics
Pitch
Kinetic energy
Trough
38. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Work function
Rarefaction
Beta particle
Sublimation
39. Heat transfer by molecular collisions.
Conduction
Coefficient of linear expansion
Sound
Translational kinetic energy
40. The points midway between nodes on a standing wave - where the oscillations are largest.
Antinode
Axis of rotation
Faraday's Law
Heat engine
41. The separation of different color light via refraction.
Kinematic equations
Concave mirror
Dispersion
Amplitude
42. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Equilibrium
Radius of curvature
Power
Hertz (Hz)
43. The coefficient of kinetic friction - - for two materials is the constant of proportionality between the normal force and the force of kinetic friction. It is always a number between zero and one.
Work function
Coefficient of linear expansion
Newton's First Law
Coefficient of kinetic friction
44. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Reflect
Nucleus
Kelvin
Coefficient of volume expansion
45. The mass number - A - is the sum of the number of protons and neutrons in a nucleus. It is very close to the weight of that nucleus in atomic mass units.
Axis of rotation
Mass number
Cross product
Equilibrium
46. The current induced in a circuit by a change in magnetic flux.
Induced current
Celsius
Impulse
Joule
47. The gravitational force exerted on a given mass.
Weight
Weber
Sound
Calorie
48. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.
Rutherford nuclear model
Work function
Translational motion
Conservation of Angular Momentum
49. An object is called radioactive if it undergoes radioactive decay.
Mechanical energy
Heat
Radioactivity
Displacement
50. A negatively charged particle that orbits the nucleus of the atom.
Electron
Restoring force
Heat engine
Zeroth Law of Thermodynamics