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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 longest side of a right triangle - opposite to the right angle.
Hypotenuse
Angular velocity
Half
Principal axis
2. The constant of proportionality in Newton's Law of Gravitation. It reflects the proportion of the gravitational force and - the product of two particles' masses divided by the square of the bodies' separation. N · m2/kg2.
Focal point
Real image
Gravitational constant
Pendulum
3. In an interference or diffraction pattern - the places where there is the most light.
Decibel
Phase
Elastic collision
Maxima
4. The bending of light at the corners of objects or as it passes through narrow slits or apertures.
Refracted ray
Diffraction
Inertia
Tail
5. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.
Mass number
Centripetal force
Kinematic equations
Weber
6. The sum of a system's potential and kinetic energy. In many systems - including projectiles - pulleys - pendulums - and motion on frictionless surfaces - mechanical energy is conserved. One important type of problem in which mechanical energy is not
Atomic number
Mechanical energy
Wave speed
Kinetic friction
7. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Sublimation
Mechanical energy
Radian
Heat engine
8. A constant - J · s - which is useful in quantum physics. A second constant associated with Planck's constant is .
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9. 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
Convex mirror
Doppler shift
Heat engine
Conservation of Angular Momentum
10. 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 .
Hertz (Hz)
Dot product
Centripetal force
Spectroscope
11. The amount of error that's possible in a given measurement.
Normal force
Kinetic theory of gases
Isolated system
Margin of error
12. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Moment of inertia
Fundamental
Energy
Simple harmonic oscillator
13. A force caused by the roughness of two materials in contact - deformations in the materials - and a molecular attraction between the materials. Frictional forces are always parallel to the plane of contact between two surfaces and opposite the direct
Displacement
Frictional force
Beats
Electronvolt
14. The dot product of the area and the magnetic field passing through it. Graphically - it is a measure of the number and length of magnetic field lines passing through that area. It is measured in Webers (Wb).
Magnetic flux
Isotope
Sound
Newton's Third Law
15. The points of maximum negative displacement along a wave. They are the opposite of wave crests.
Beats
Trough
Rotational motion
Sound
16. A unit vector is a vector with length 1.
Boyle's Law
Pendulum
Gamma decay
Unit vector
17. 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.
Ground state
Coefficient of volume expansion
Trough
Index of refraction
18. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Radian
Potential energy
Uniform circular motion
Acceleration
19. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Coefficient of volume expansion
Amplitude
Nucleus
Restoring force
20. A body or set of bodies that we choose to analyze as a group.
Electromagnetic induction
Normal force
System
Neutron number
21. F = ma. The net force - F - acting on an object causes the object to accelerate - a. The magnitude of the acceleration is directly proportional to the net force on the object and inversely proportional to the mass - m - of the object.
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22. 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.
Mutual Induction
Coefficient of kinetic friction
Velocity
Alpha decay
23. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Frictional force
Electromagnetic spectrum
Medium
Law of conservation of energy
24. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Tension force
Collision
Angle of reflection
Dynamics
25. A coefficient that tells how much the volume of a solid will change when it is heated or cooled.
Coefficient of volume expansion
Lenz's Law
Minima
Gamma ray
26. The amount of heat necessary to transform a solid at a given temperature into a liquid of the same temperature - or the amount of heat needed to be removed from a liquid of a given temperature to transform it into a solid of the same temperature.
Deposition
Latent heat of fusion
Rotational kinetic energy
Weight
27. 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.
Radioactivity
Ideal gas law
Kinetic energy
Pendulum
28. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Neutrino
Traveling waves
Component
Law of conservation of energy
29. 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
Isolated system
Medium
Reflect
Electromagnetic induction
30. 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.
Static friction
Michelson-Morley experiment
Boyle's Law
Faraday's Law
31. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Kelvin
Crest
Momentum
Inclined plane
32. 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
Angular velocity
Beats
Instantaneous velocity
Neutron
33. The mass difference between a nucleus and the sum of the masses of the constituent protons and neutrons.
Incident ray
Kinetic friction
Mass defect
Heat transfer
34. The separation of different color light via refraction.
Virtual image
Planck's constant
Amplitude
Dispersion
35. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Radian
Torque
Calorie
Scalar
36. The motion of a body in a circular path with constant speed.
Tail
Uniform circular motion
Force
Wave speed
37. The stable position of a system where the net force acting on the object is zero.
Nuclear fission
Potential energy
Equilibrium position
Inertial reference frame
38. The straight line that runs through the focal point and the vertex of a mirror or lens.
Phase
Principal axis
Basis vector
Nuclear fission
39. 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.
Coefficient of kinetic friction
Rutherford nuclear model
Boyle's Law
Pitch
40. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Coefficient of linear expansion
Standing wave
Temperature
Planck's constant
41. 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.
Charles's Law
Conservation of Angular Momentum
Traveling waves
Beta decay
42. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Reflected ray
Radioactivity
Proton
Coherent light
43. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Traveling waves
Inertial reference frame
Inclined plane
Ground state
44. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Amplitude
Velocity
Weak nuclear force
Angular period
45. 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.
Magnitude
Strong nuclear force
Decay constant
Electron
46. In a right triangle - the tangent of a given angle is the length of the side opposite the angle divided by the length of the side adjacent to the triangle.
Tangent
Heat engine
Isotope
Inertia
47. The ray of light that is refracted through a surface into a different medium.
Electric generator
Refracted ray
Dynamics
Neutron number
48. A collision in which the colliding particles stick together.
Induced current
Work-energy theorem
Completely inelastic collision
Polarization
49. The amount of heat necessary to transform a liquid at a given temperature into a gas of the same temperature - or the amount of heat needed to be taken away from a gas of a given temperature to transform it into a liquid of the same temperature.
Convex mirror
Inclined plane
Kinematic equations
Latent heat of vaporization
50. 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.
Kinetic friction
Oscillation
Melting point
Angular acceleration