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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. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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2. 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
Thermal equilibrium
Index of refraction
Transformer
Efficiency
3. Two materials are in thermal equilibrium if they are at the same temperature.
Thermal equilibrium
Nuclear fission
Cross product
Angular displacement
4. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Law of conservation of energy
Ground state
Kepler's Second Law
Electromagnetic spectrum
5. 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.
Mole
Electromagnetic wave
Pressure
Latent heat of vaporization
6. 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
Coherent light
Thermal equilibrium
Newton
7. The process by which unstable nuclei spontaneously release particles and/or energy so as to come to a more stable arrangement. The most common forms of radioactive decay are alpha decay - beta decay - and gamma decay.
Newton's Law of Universal Gravitation
Radioactive decay
Torque
Radioactivity
8. 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.
Work function
Fundamental
Traveling waves
Oscillation
9. A push or a pull that causes an object to accelerate.
Simple harmonic oscillator
Force
Destructive interference
Kinetic theory of gases
10. For a gas held at constant pressure - temperature and volume are directly proportional.
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11. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Entropy
Inertia
Radius of curvature
Magnification
12. A process that aligns a wave of light to oscillate in one dimension rather than two.
Polarization
Decibel
Deposition
Power
13. The disorder of a system.
Entropy
Radiation
Heat engine
Wavelength
14. A transfer of thermal energy from one system to another.
Optics
Heat transfer
Newton's Law of Universal Gravitation
Fundamental
15. The reaction force of the ground - a table - etc. - when an object is placed upon it. The normal force is a direct consequence of Newton's Third Law: when an object is placed on the ground - the ground pushes back with the same force that it is pushe
Velocity
Normal force
Internal energy
Kepler's First Law
16. The name of an electron released from the surface of a metal due to the photoelectric effect.
Atom
Spring
Scalar
Photoelectron
17. The line perpendicular to a surface. There is only one normal for any given surface.
Weber
Collision
Activity
Normal
18. The motion of a body in a circular path with constant speed.
Conservation of momentum
Uniform circular motion
Nuclear fission
Incident ray
19. 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.
Electromagnetic wave
Angular momentum
Speed
Nuclear fission
20. 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.
Sublimation
Electric generator
Kinetic friction
Heat
21. A small particle-like bundle of electromagnetic radiation.
Zeroth Law of Thermodynamics
Strong nuclear force
Elastic collision
Photon
22. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Simple harmonic oscillator
Antinode
Newton's Third Law
Momentum
23. 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
Kepler's Second Law
Standing wave
Photoelectric effect
Atom
24. A mirror that is curved such that its center is farther from the viewer than the edges - such as the front of a spoon. Concave mirrors reflect light through a focal point.
System
Coefficient of volume expansion
Concave mirror
Directly proportional
25. 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
Ideal gas law
Tail
Center of mass
Decibel
26. The speed at which a wave crest or trough propagates. Note that this is not the speed at which the actual medium (like the stretched string or the air particles) moves.
Vertex
Inertial reference frame
Weight
Wave speed
27. The movement of a rigid body's center of mass in space.
Atomic number
Radius of curvature
Period
Translational motion
28. The longest side of a right triangle - opposite to the right angle.
Right-hand rule
Coherent light
Hypotenuse
Neutron number
29. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Efficiency
Beta decay
Gamma ray
System
30. 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
Angular velocity
Potential energy
Dispersion
Cross product
31. Two quantities are directly proportional if an increase in one results in a proportional increase in the other - and a decrease in one results in a proportional decrease in the other. In a formula defining a certain quantity - those quantities to whi
Boyle's Law
Law of conservation of energy
Directly proportional
Translational motion
32. A number - Z - associated with the number of protons in the nucleus of an atom. Every element can be defined in s of its atomic number - since every atom of a given element has the same number of protons.
Sublimation
Atomic number
Kinetic theory of gases
Angular position
33. A unit vector is a vector with length 1.
Unit vector
Pascals
Period
Radian
34. The energy of a particle rotating around an axis.
Rotational kinetic energy
Scalar
Momentum
Cosine
35. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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36. 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.
Cross product
Pendulum
Photon
Potential energy
37. In an interference or diffraction pattern - the places where there is the most light.
Gamma decay
Maxima
Impulse
Spring
38. A nuclear reaction in which a high-energy neutron bombards a heavy - unstable atomic nucleus - causing it to split into two smaller nuclei - and releasing some neutrons and a vast amount of energy at the same time
Momentum
Nuclear fission
Cycle
Directly proportional
39. 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.
Critical angle
Standing wave
Inversely proportional
Center of curvature
40. 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
Heat
Simple harmonic oscillator
Specific heat
Hertz (Hz)
41. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Refracted ray
Rigid body
Decibel
Weak nuclear force
42. 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
Convection
Gravitational Potential Energy
Optics
43. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Velocity
Energy
Magnetic flux
Weak nuclear force
44. 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
Focal point
Gamma ray
Traveling waves
Chain reaction
45. The gravitational force exerted on a given mass.
Weight
Electromagnetic induction
Phase change
Velocity
46. 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
Collision
Mechanical energy
Standing wave
Conduction
47. 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
Velocity
Newton's First Law
Isotope
48. 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.
Hooke's Law
Convex lens
Inclined plane
Spring
49. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Reflect
Radian
Tension force
Kinetic friction
50. 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
Tip
Pascals
Translational kinetic energy