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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. 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.
Temperature
Thermal energy
Work
Mutual Induction
2. For a gas held at a constant temperature - pressure and volume are inversely proportional.
3. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
Power
Mass defect
Joule
Weight
4. 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.
Latent heat of vaporization
Rutherford nuclear model
Hooke's Law
Normal force
5. A constant - - not to be confused with wavelength - that defines the speed at which a radioactive element undergoes decay. The greater is - the faster the element decays.
Electronvolt
Decay constant
Conduction
Coherent light
6. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Radius of curvature
Total internal reflection
Law of conservation of energy
Vector
7. A unit vector is a vector with length 1.
Ideal gas law
Unit vector
Thermal equilibrium
Neutron number
8. The property by which a changing current in one coil of wire induces an emf in another.
Electromagnetic spectrum
Mutual Induction
Electron
Law of reflection
9. 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
Rigid body
Constructive interference
Equilibrium position
Specific heat
10. 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 -
Kinematics
Sublimation
Energy
Normal
11. A coefficient that tells how much the volume of a solid will change when it is heated or cooled.
Kinetic theory of gases
Coefficient of volume expansion
Displacement
Law of reflection
12. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Beta particle
Power
Rarefaction
Work-energy theorem
13. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Newton
Radius of curvature
Nucleus
Quark
14. A pendulum consists of a bob connected to a rod or rope. At small angles - a pendulum's motion approximates simple harmonic motion as it swings back and forth without friction.
Pendulum
Dispersion
Acceleration
Unit vector
15. Heat transfer by molecular collisions.
Unit vector
Concave mirror
Specific heat
Conduction
16. The series of standing waves supported by a string with both ends tied down. The first member of the series - called the fundamental - has two nodes at the ends and one anti-node in the middle. The higher harmonics are generated by placing an integra
Harmonic series
Medium
Speed
Orbit
17. The unit of magnetic flux - equal to one T · m2.
Electromagnetic induction
Angle of reflection
Weber
Gamma decay
18. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Beats
Radiation
Quark
Newton's Third Law
19. A small particle-like bundle of electromagnetic radiation.
Inertia
Photon
Conduction
Directly proportional
20. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Planck's constant
Concave lens
Gold foil experiment
Mole
21. The line that every particle in the rotating rigid body circles about.
Constant of proportionality
Unit vector
Rotational kinetic energy
Axis of rotation
22. 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.
Angular frequency
Ideal gas law
Rarefaction
Kelvin
23. 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
Angular position
Center of mass
Law of reflection
Pulley
24. 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.
Longitudinal waves
Angular frequency
Cosine
Tip
25. The path of each planet around the sun is an ellipse with the sun at one focus.
26. A wave that interferes with its own reflection so as to produce oscillations which stand still - rather than traveling down the length of the medium. Standing waves on a string with both ends tied down make up the harmonic series.
Magnitude
Coefficient of volume expansion
Standing wave
Rigid body
27. Another word for the frequency of a sound wave.
Coefficient of linear expansion
Pitch
Universal gas constant
Activity
28. For a gas held at constant pressure - temperature and volume are directly proportional.
29. Two quantities are inversely proportional if an increase in one results in a proportional decrease in the other - and a decrease in one results in a proportional increase in the other. In a formula defining a certain quantity - those quantities to wh
Inversely proportional
Alpha decay
Coefficient of volume expansion
Radian
30. 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.
Internal energy
Reflected ray
Completely inelastic collision
Isolated system
31. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Maxima
Loudness
Mass
Heat
32. 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.
Dynamics
Energy
Moment of inertia
Michelson-Morley experiment
33. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Spectroscope
Angular position
Work
Focal point
34. The force that binds protons and neutrons together in the atomic nucleus.
Strong nuclear force
Beta particle
Isolated system
Work
35. A vector quantity - or vector - is an object possessing - and fully described by - a magnitude and a direction. Graphically a vector is depicted as an arrow with its magnitude given by the length of the arrow and its direction given by where the arro
Vector
Medium
Newton's First Law
Restoring force
36. A principle derived by Werner Heisenberg in 1927 that tells us that we can never know both the position and the momentum of a particle at any given time.
Momentum
Center of mass
Kepler's First Law
Uncertainty principle
37. 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
Inertial reference frame
Newton's Law of Universal Gravitation
Mass defect
Concave mirror
38. 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.
Gravitational Potential Energy
Mass number
Mechanical energy
Electromagnetic wave
39. Waves in which the medium moves in the direction perpendicular to the propagation of the wave. Waves on a stretched string - water waves - and electromagnetic waves are all examples of transverse waves.
Angular period
Magnetic flux
Vertex
Transverse waves
40. 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 -
Compression
Normal
Coefficient of volume expansion
Lenz's Law
41. The units of frequency - defined as inverse-seconds (1 Hz = 1 s-1). "Hertz" can be used interchangeably with "cycles per second."
Hertz (Hz)
Weightlessness
Kinetic theory of gases
Kinetic energy
42. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Radian
Angular displacement
Pressure
Threshold frequency
43. In an interference or diffraction pattern - the places where there is the most light.
Maxima
Impulse
Universal gas constant
Motional emf
44. The effect of force on rotational motion.
Inclined plane
Normal
Inertial reference frame
Torque
45. The energy stored in a thermodynamic system.
Internal energy
Compression
Mechanical energy
Convex mirror
46. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Kinematics
Translational kinetic energy
Kepler's First Law
Rotational motion
47. A vector of magnitude 1 along one of the coordinate axes. Generally - we take the basis vectors to be and - the vectors of length 1 along the x- and y-axes - respectively.
Latent heat of transformation
Mole
Weightlessness
Basis vector
48. An electromagnetic wave of very high frequency.
Weightlessness
Oscillation
Gamma ray
Minima
49. The emf created by the motion of a charge through a magnetic field.
Margin of error
Ideal gas law
Node
Motional emf
50. 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
Transformer
Isolated system
Conduction