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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. 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.
Equilibrium position
Concave lens
Induced current
Atomic number
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.
Significant digits
Pendulum
Crest
Temperature
3. 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.
Absolute zero
Concave lens
Latent heat of vaporization
Destructive interference
4. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.
Angular velocity
Equilibrium
Doppler shift
Superposition
5. The point of a mirror or lens where all light that runs parallel to the principal axis will be focused. Concave mirrors and convex lenses are designed to focus light into the focal point. Convex mirrors and concave lenses focus light away from the fo
Potential energy
Focal point
Uniform circular motion
Inertial reference frame
6. The property by which a changing current in one coil of wire induces an emf in another.
Calorie
Real image
Tension force
Mutual Induction
7. The ray of light that is reflected from a mirror or other reflecting surface.
Electric generator
Acceleration
Destructive interference
Reflected ray
8. A transfer of thermal energy. We don't speak about systems "having" heat - but about their "transferring" heat - much in the way that dynamical systems don't "have" work - but rather "do" work.
Zeroth Law of Thermodynamics
Heat
Quark
Static friction
9. Another word for the frequency of a sound wave.
Center of curvature
Cycle
Centripetal force
Pitch
10. A wave on a string that is tied to a pole at one end will reflect back toward its source - producing a wave that is the mirror-image of the original and which travels in the opposite direction.
Centripetal force
Reflect
Photon
Sound
11. 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
Nucleus
Third Law of Thermodynamics
Trough
Gravitational Potential Energy
12. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.
Cosine
Convection
Photoelectric effect
Conservation of Angular Momentum
13. States that the net work done on an object is equal to the object's change in kinetic energy.
Equilibrium position
Work-energy theorem
Inelastic collision
Specific heat
14. An image created by a mirror or lens in such a way that light does actually come from where the image appears to be. If you place a screen in front of a real image - the image will be projected onto the screen.
Radiation
Superposition
De Broglie wavelength
Real image
15. 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
Inelastic collision
Photoelectric effect
Mutual Induction
Latent heat of sublimation
16. 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.
Kinetic friction
Pendulum
Frictional force
Dynamics
17. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Wavelength
Sublimation
Zeroth Law of Thermodynamics
Angular velocity
18. A property common to both vectors and scalars. In the graphical representation of a vector - the vector's magnitude is equal to the length of the arrow.
Force
Work-energy theorem
Collision
Magnitude
19. The current induced in a circuit by a change in magnetic flux.
Electromagnetic wave
Induced current
Coefficient of static friction
Gravitational constant
20. A quantity that possesses a magnitude but not a direction. Mass and length are common examples.
Standing wave
Joule
Scalar
Atom
21. The phenomenon of light bouncing off a surface - such as a mirror.
Equilibrium
Reflection
Snell's Law
Angular velocity
22. 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
Gravitational Potential Energy
Polarization
Cosine
23. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Diffraction grating
Decibel
Nucleus
Faraday's Law
24. If a line is drawn from the sun to the planet - then the area swept out by this line in a given time interval is constant.
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25. A process that aligns a wave of light to oscillate in one dimension rather than two.
Decay constant
Transverse waves
Polarization
Significant digits
26. 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.
Focal length
Coefficient of kinetic friction
Planck's constant
Momentum
27. 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.
Radian
Thermal energy
Index of refraction
Neutrino
28. The separation of different color light via refraction.
Dispersion
Standing wave
Electron
Velocity
29. An object cannot be cooled to absolute zero.
Entropy
Third Law of Thermodynamics
Legs
Snell's Law
30. A device that converts mechanical energy to electrical energy by rotating a coil in a magnetic field; sometimes called a "dynamo."
Focal point
Efficiency
Electric generator
Kelvin
31. The name of an electron released from the surface of a metal due to the photoelectric effect.
Vector
Photoelectron
Acceleration
Component
32. 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 -
Maxima
Compression
Strong nuclear force
Pitch
33. The property by which a charge moving in a magnetic field creates an electric field.
Angular velocity
Electromagnetic induction
Doppler shift
Direction
34. 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 -
Rarefaction
Maxima
Nucleus
Angular momentum
35. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Electromagnetic wave
Heat transfer
Deposition
Radian
36. The disorder of a system.
Mass defect
Threshold frequency
Entropy
Coefficient of volume expansion
37. A collision in which momentum is conserved but kinetic energy is not.
Half
Inelastic collision
Uncertainty principle
Transformer
38. Energy associated with an object's position in space - or configuration in relation to other objects. This is a latent form of energy - where the amount of potential energy reflects the amount of energy that potentially could be released as kinetic e
Electromagnetic induction
Doppler shift
Coefficient of linear expansion
Potential energy
39. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Beats
Mass
Angular period
Pressure
40. The points midway between nodes on a standing wave - where the oscillations are largest.
Zeroth Law of Thermodynamics
Margin of error
Polarization
Antinode
41. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Coefficient of volume expansion
Mass defect
Calorie
Incident ray
42. 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.
Law of conservation of energy
Photoelectron
Uncertainty principle
Work-energy theorem
43. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Weber
Inclined plane
Sublimation
Focal length
44. The energy of a particle rotating around an axis.
Rotational kinetic energy
Normal force
Beta particle
Rotational motion
45. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Beta particle
Hooke's Law
Speed
Weak nuclear force
46. 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.
Refraction
Vertex
Third Law of Thermodynamics
Component
47. A form of radioactivity where an excited atom releases a photon of gamma radiation - thereby returning to a lower energy state. The atomic structure itself does not change in the course of gamma radiation.
Snell's Law
Completely inelastic collision
Gamma decay
Oscillation
48. The number of digits that have been accurately measured. When combining several measurements in a formula - the resulting calculation can only have as many significant digits as the measurement that has the smallest number of significant digits.
Cross product
Significant digits
Electric generator
Neutron
49. The two shorter sides of a right triangle that meet at the right angle.
Magnetic flux
Unit vector
Activity
Legs
50. The ratio of the size of the image produced by a mirror or lens to the size of the original object. This number is negative if the image is upside-down.
Half
Mole
Magnification
Index of refraction