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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. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Polarization
Inclined plane
Pulley
Significant digits
2. 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.
Mutual Induction
Superposition
Latent heat of vaporization
Gravitational Potential Energy
3. An image created by a mirror or lens in such a way that light does not actually come from where the image appears to be.
Quark
Photoelectric effect
Virtual image
Thermal energy
4. A rough approximation of how gases work - that is quite accurate in everyday conditions. According to the kinetic theory - gases are made up of tiny - round molecules that move about in accordance with Newton's Laws - and collide with one another and
Convection
Convex lens
Weight
Kinetic theory of gases
5. The current induced in a circuit by a change in magnetic flux.
Conservation of momentum
Gamma ray
Induced current
Restoring force
6. A machine that operates by taking heat from a hot place - doing some work with that heat - and then exhausting the rest of the heat into a cool place. The internal combustion engine of a car is an example of a heat engine.
Centripetal force
Heat engine
Instantaneous velocity
Electron
7. The line that every particle in the rotating rigid body circles about.
Centripetal force
Axis of rotation
Atomic number
Translational motion
8. 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.
Gamma decay
Melting point
Constructive interference
Normal
9. The property by which a charge moving in a magnetic field creates an electric field.
Scalar
Electromagnetic induction
Half
Mass
10. A vector quantity - - that reflects the change of angular displacement with time - and is typically given in units of rad/s. To find the direction of the angular velocity vector - take your right hand and curl your fingers along the particle or body
Simple harmonic oscillator
Lenz's Law
Angular velocity
Decay constant
11. 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
Kepler's Second Law
Gravitational constant
Medium
Inversely proportional
12. 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.
Neutrino
Work
Photon
Standing wave
13. 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.
Total internal reflection
Real image
Ideal gas law
Amplitude
14. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Standing wave
Celsius
Angle of incidence
Reflection
15. A coefficient that tells how much the volume of a solid will change when it is heated or cooled.
Coefficient of volume expansion
Completely inelastic collision
Amplitude
Cross product
16. 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
Calorie
Superposition
Energy
Doppler shift
17. 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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18. 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.
Radioactive decay
Third Law of Thermodynamics
Destructive interference
Heat
19. When objects collide - each object feels a force for a short amount of time. This force imparts an impulse - or changes the momentum of each of the colliding objects. The momentum of a system is conserved in all kinds of collisions. Kinetic energy is
Collision
Kinematics
System
Phase
20. 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.
Tip
Translational kinetic energy
Mass number
Photoelectron
21. Essentially a restatement of energy conservation - it states that the change in the internal energy of a system is equal to the heat added plus the work done on the system.
Constructive interference
Energy
First Law of Thermodynamics
Moment of inertia
22. The gravitational force exerted on a given mass.
Wavelength
Amplitude
Equilibrium position
Weight
23. 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.
Ground state
Rutherford nuclear model
Incident ray
Neutrino
24. A device made of two coils - which converts current of one voltage into current of another voltage. In a step-up transformer - the primary coil has fewer turns than the secondary - thus increasing the voltage. In a step-down transformer - the seconda
Photoelectric effect
Rarefaction
Transformer
Spring
25. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Coefficient of kinetic friction
Simple harmonic oscillator
Tip
Newton's First Law
26. 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
Pascals
Gamma decay
Tension force
27. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.
Radioactive decay
Inelastic collision
Heat transfer
Centripetal force
28. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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29. The amount of error that's possible in a given measurement.
Atomic number
Margin of error
Gamma ray
Constructive interference
30. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Focal point
Convex lens
Coefficient of linear expansion
Centripetal acceleration
31. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Distance
Latent heat of fusion
Beta particle
Scalar
32. The effect of force on rotational motion.
Spring constant
Decay constant
Torque
Standing wave
33. The force between two surfaces that are not moving relative to one another. The force of static friction is parallel to the plane of contact between the two objects and resists the force pushing or pulling on the object.
Gravitational constant
Static friction
Restoring force
Constructive interference
34. Also called a converging lens - a lens that is thicker in the middle than at the edges. Convex lenses refract light through a focal point.
Phase change
Newton's Law of Universal Gravitation
Convex lens
Lenz's Law
35. The net change - - in a point's angular position - . It is a scalar quantity.
Calorie
Angular displacement
Oscillation
Focal point
36. 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.
Impulse
Critical angle
Gravitational constant
Basis vector
37. 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
Mass number
Inversely proportional
Diffraction
Coefficient of static friction
38. 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.
Spectroscope
Kinematic equations
Inclined plane
Refraction
39. In reference to oscillation - amplitude is the maximum displacement of the oscillator from its equilibrium position. Amplitude tells how far an oscillator is swinging back and forth. In periodic motion - amplitude is the maximum displacement in each
Amplitude
Longitudinal waves
Translational kinetic energy
Wave
40. 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.
Translational kinetic energy
Tangent
Temperature
Isolated system
41. A class of elementary particle whose mass is between that of a proton and that of an electron. A common kind of meson is the pion.
Inertial reference frame
Index of refraction
Coefficient of kinetic friction
Meson
42. A scalar quantity that tells us how fast an object is moving. It measures the rate of change in distance over time. Speed is to be contrasted with velocity in that there is no direction associated with speed.
Speed
Second Law of Thermodynamics
Radius of curvature
Ideal gas law
43. A measurement of a body's inertia - or resistance to being accelerated.
Center of curvature
Inertial reference frame
Mass
Radioactive decay
44. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Conservation of Angular Momentum
Equilibrium
Gold foil experiment
Direction
45. The tendency of an object to remain at a constant velocity - or its resistance to being accelerated. Newton's First Law is alternatively called the Law of Inertia because it describes this tendency.
Radiation
Radius of curvature
Pitch
Inertia
46. To every action - there is an equal and opposite reaction. If an object A exerts a force on another object B - B will exert on A a force equal in magnitude and opposite in direction to the force exerted by A.
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47. 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
Isolated system
Focal length
Decay constant
Bohr atomic model
48. The position - of an object according to a co-ordinate system measured in s of the angle of the object from a certain origin axis. Conventionally - this origin axis is the positive x-axis.
Angular position
Weightlessness
Phase
Radiation
49. The path of each planet around the sun is an ellipse with the sun at one focus.
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50. The velocity at any given instant in time. To be contrasted with average velocity - which is a measure of the change in displacement over a given time interval.
Kepler's Third Law
Angular period
Centripetal acceleration
Instantaneous velocity