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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 a particle rotating around an axis.
Loudness
Frequency
Zeroth Law of Thermodynamics
Rotational kinetic energy
2. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Normal
Nuclear fission
Angle of refraction
Decibel
3. The gravitational force exerted on a given mass.
Specific heat
Weight
Harmonic series
Vertex
4. Two oscillators that have the same frequency and amplitude - but reach their maximum displacements at different times - are said to have different phases. Similarly - two waves are in phase if their crests and troughs line up exactly - and they are o
Loudness
Sublimation
Phase
Constant of proportionality
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.
Translational motion
Latent heat of vaporization
Basis vector
Reflected ray
6. For a reflected light ray - . In other words - a ray of light reflects of a surface in the same plane as the incident ray and the normal - and at an angle to the normal that is equal to the angle between the incident ray and the normal.
Constructive interference
Law of reflection
Amplitude
Ideal gas law
7. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Bohr atomic model
Specific heat
Radian
Deposition
8. Heat transfer by molecular collisions.
Index of refraction
Conduction
Harmonic series
Frequency
9. The phenomenon of light bouncing off a surface - such as a mirror.
Acceleration
Gamma decay
Reflection
Constructive interference
10. 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
Work
Gold foil experiment
Gravitational Potential Energy
Rotational kinetic energy
11. The effect of force on rotational motion.
Sine
Angular momentum
Hooke's Law
Torque
12. The state of a nonrotating object upon whom the net torque acting is zero.
Impulse
Loudness
Right-hand rule
Equilibrium
13. The amplification of one wave by another - identical wave of the same sign. Two constructively interfering waves are said to be "in phase."
Sublimation
Constructive interference
Vertex
Convex mirror
14. The stable position of a system where the net force acting on the object is zero.
Tip
Loudness
Pitch
Equilibrium position
15. 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.
Focal length
Heat
Nuclear fission
Crest
16. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Beta decay
Angular position
Chain reaction
Boiling point
17. The disorder of a system.
Angle of reflection
Heat engine
Magnification
Entropy
18. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Nucleus
Conservation of momentum
Axis of rotation
Polarization
19. Any vector can be expressed as the sum of two mutually perpendicular component vectors. Usually - but not always - these components are multiples of the basis vectors - and ; that is - vectors along the x-axis and y-axis. We define these two vectors
Collision
Decay constant
Component
Margin of error
20. The straight line that runs through the focal point and the vertex of a mirror or lens.
Velocity
Hertz (Hz)
Principal axis
Convex lens
21. The property of a vector that distinguishes it from a scalar: while scalars have only a magnitude - vectors have both a magnitude and a direction. When graphing vectors in the xy-coordinate space - direction is usually given by the angle measured cou
Gamma decay
Dispersion
Rotational motion
Direction
22. The property by which a charge moving in a magnetic field creates an electric field.
Incident ray
Electromagnetic induction
Cross product
Simple harmonic oscillator
23. A frequency - f - defined as the number of revolutions a rigid body makes in a given time interval. It is a scalar quantity commonly denoted in units of Hertz (Hz) or s-1.
Inertia
Index of refraction
Momentum
Angular frequency
24. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Displacement
Neutron
Vertex
Joule
25. Done when energy is transferred by a force. The work done by a force F in displacing an object by s is W = F · s.
Equilibrium position
Work
Weightlessness
Newton's Law of Universal Gravitation
26. The movement of a rigid body's center of mass in space.
Conservation of momentum
Rarefaction
Translational motion
Displacement
27. An object at rest remains at rest - unless acted upon by a net force. An object in motion remains in motion - unless acted upon by a net force.
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28. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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29. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Focal point
Newton
Beta particle
Photon
30. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Kinetic energy
Thermal energy
Optics
Faraday's Law
31. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.
Angular velocity
Neutron
Superposition
Inertia
32. The building blocks of all matter - atoms are made up of a nucleus consisting of protons and neutrons - and a number of electrons that orbit the nucleus. An electrically neutral atom has as many protons as it has electrons.
Work-energy theorem
System
Entropy
Atom
33. In the Bohr model of the atom - the state in which an electron has the least energy and orbits closest to the nucleus.
Tail
Ground state
Translational motion
Hooke's Law
34. Kinematics is the study and description of the motion of objects.
Rigid body
Centripetal force
Harmonic series
Kinematics
35. 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.
Atom
Inertia
Constructive interference
Rarefaction
36. Relates the angle of incidence to the angle of refraction: .
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37. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Beats
Celsius
Electromagnetic wave
Magnitude
38. An object is called radioactive if it undergoes radioactive decay.
Radioactivity
Antinode
Isolated system
Pitch
39. The particles and energy released by the fission or fusion of one atom may trigger the fission or fusion of further atoms. In a chain reaction - fission or fusion is rapidly transferred to a large number of atoms - releasing tremendous amounts of ene
Vertex
Chain reaction
Angular position
Angle of incidence
40. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Latent heat of fusion
Nuclear fission
Pressure
Spectroscope
41. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Centripetal acceleration
Deposition
Thermal energy
Hertz (Hz)
42. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.
Inertia
Magnification
Sound
De Broglie wavelength
43. The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Kinematic equations
Instantaneous velocity
Temperature
Joule
44. States that the current induced in a circuit by a change in magnetic flux is in the direction that will oppose that change in flux. Using the right-hand rule - point your thumb in the opposite direction of the change in magnetic flux. The direction y
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45. There are a few versions of this law. One is that heat flows spontaneously from hot to cold - but not in the reverse direction. Another is that there is no such thing as a 100% efficient heat engine. A third states that the entropy - or disorder - of
Second Law of Thermodynamics
Atomic number
Magnetic flux
Weber
46. A vector quantity defined as the product of the force acting on a body multiplied by the time interval over which the force is exerted.
Mole
Equilibrium position
Impulse
Convex mirror
47. 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.
Weight
Standing wave
Work
Vector
48. 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.
Rigid body
Ideal gas law
Proton
Energy
49. The number of hydrogen atoms in one gram of hydrogen - equal to . When counting the number of molecules in a gas - it is often convenient to count them in moles.
Mole
Mutual Induction
Hooke's Law
Proton
50. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Uniform circular motion
Quark
Alpha particle
Weber