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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. 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.
Law of conservation of energy
Newton's Second Law
Ideal gas law
Quark
2. If two systems - A and B - are in thermal equilibrium and if B and C are also in thermal equilibrium - then systems A and C are necessarily in thermal equilibrium.
Beta decay
Joule
Zeroth Law of Thermodynamics
Planck's constant
3. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Gold foil experiment
Spring constant
Michelson-Morley experiment
Meson
4. Light such that all of the associated waves have the same wavelength and are in phase.
Inversely proportional
Coherent light
Nuclear fusion
Latent heat of transformation
5. The effect of force on rotational motion.
Conservation of Angular Momentum
Torque
First Law of Thermodynamics
Melting point
6. The energy of a particle rotating around an axis.
Angular displacement
Dispersion
Sound
Rotational kinetic energy
7. The energy of the molecules that make up an object. It is related to heat - which is the amount of energy transferred from one object to another object that is a different temperature.
Pendulum
Thermal energy
Acceleration
Tip
8. 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
Angular frequency
Bohr atomic model
Frictional force
Pascals
9. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Real image
Thermal energy
Mass number
Spectroscope
10. The property by which a changing current in one coil of wire induces an emf in another.
Kinetic theory of gases
Mutual Induction
Concave mirror
Tail
11. 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.
Conservation of momentum
Meson
Inversely proportional
Velocity
12. 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.
Kelvin
Kinetic energy
Electronvolt
Focal length
13. 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.
Conservation of momentum
Alpha decay
Pascals
Latent heat of fusion
14. A constant in the numerator of a formula.
Calorie
Focal point
Phase
Constant of proportionality
15. A form of radioactive decay where a heavy element ejects a beta particle and a neutrino - becoming a lighter element in the process.
Beta decay
Loudness
Alpha decay
Uniform circular motion
16. A transfer of thermal energy from one system to another.
Rotational kinetic energy
Angle of refraction
Elastic collision
Heat transfer
17. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Second Law of Thermodynamics
Zeroth Law of Thermodynamics
Simple harmonic oscillator
Force
18. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Coefficient of linear expansion
Unit vector
Speed
Ideal gas law
19. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Inelastic collision
Magnetic flux
Motional emf
Pulley
20. 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.
Ground state
Coefficient of kinetic friction
Gravitational constant
Mass defect
21. A sheet - film - or screen with a pattern of equally spaced slits. Typically the width of the slits and space between them is chosen to generate a particular diffraction pattern.
Optics
Energy
Diffraction grating
Refracted ray
22. The points on a standing wave where total destructive interference causes the medium to remain fixed at its equilibrium position.
Kepler's Third Law
Node
Strong nuclear force
Kinetic theory of gases
23. A transverse traveling wave created by the oscillations of an electric field and a magnetic field. Electromagnetic waves travel at the speed of light - m/s. Examples include microwaves - X rays - and visible light.
Inertia
Electromagnetic wave
Isolated system
Principal axis
24. Given the period - T - and semimajor axis - a - of a planet's orbit - the ratio is the same for every planet.
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25. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Sublimation
Angular momentum
Center of mass
Lenz's Law
26. 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.
Gravitational Potential Energy
Virtual image
Atomic number
Kepler's First Law
27. The separation of different color light via refraction.
Dispersion
Mutual Induction
Boyle's Law
Oscillation
28. 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
Direction
Threshold frequency
Convex lens
Ground state
29. The points of maximum displacement along a wave. In traveling waves - the crests move in the direction of propagation of the wave. The crests of standing waves - also called anti-nodes - remain in one place.
Newton's Second Law
Faraday's Law
Crest
Boyle's Law
30. The number of cycles executed by a system in one second. Frequency is the inverse of period - f = 1/T. Frequency is measured in hertz - Hz.
Frequency
Potential energy
Newton's Third Law
Radiation
31. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Third Law of Thermodynamics
Centripetal force
Law of conservation of energy
Photoelectric effect
32. 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.
Impulse
Momentum
Coefficient of volume expansion
Speed
33. The cosine of an angle in a right triangle is equal to the length of the side adjacent to the angle divided by the length of the hypotenuse.
Cosine
Convection
Energy
Uncertainty principle
34. 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
Elastic collision
Real image
Center of mass
Equilibrium position
35. Two materials are in thermal equilibrium if they are at the same temperature.
Angular acceleration
Centripetal acceleration
Margin of error
Thermal equilibrium
36. A conserved scalar quantity associated with the state or condition of an object or system of objects. We can roughly define energy as the capacity for an object or system to do work. There are many different types of energy - such as kinetic energy -
Optics
Threshold frequency
Meson
Energy
37. 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
Mass number
Pulley
Concave mirror
38. A scalar quantity. If an object is moved from point A to point B in space along path AB - the distance that the object has traveled is the length of the path AB. Distance is to be contrasted with displacement - which is simply a measure of the distan
Convex mirror
Magnification
Wave speed
Distance
39. In oscillation - a cycle occurs when an object undergoing oscillatory motion completes a "round-trip." For instance - a pendulum bob released at angle has completed one cycle when it swings to and then back to again. In period motion - a cycle is the
Wave
Cycle
Spring constant
Loudness
40. The amount of heat necessary for a material undergoing sublimation to make a phase change from gas to solid or solid to gas - without a change in temperature.
Sublimation
Thermal equilibrium
Latent heat of sublimation
Period
41. 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
Conduction
Frictional force
Specific heat
Acceleration
42. An object is called radioactive if it undergoes radioactive decay.
Maxima
Radioactivity
Uncertainty principle
Convex lens
43. 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
Angular velocity
Threshold frequency
Magnetic flux
Direction
44. The points midway between nodes on a standing wave - where the oscillations are largest.
Kinetic energy
Antinode
Work function
Isolated system
45. A mirror that is curved such that its center is closer to the viewer than the edges - such as a doorknob. Convex mirrors reflect light away from a focal point.
Convex mirror
Diffraction
Neutron
Pendulum
46. The temperature at which a material will change phase from solid to liquid or liquid to solid.
Amplitude
Melting point
Planck's constant
Tension force
47. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Refraction
Speed
Electromagnetic spectrum
Newton's Law of Universal Gravitation
48. 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.
Angle of incidence
Focal point
Gamma decay
Normal
49. 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.
Heat
Half
Calorie
Uniform circular motion
50. A particle - which consists of two protons and two neutrons. It is identical to the nucleus of a helium atom and is ejected by heavy particles undergoing alpha decay.
Axis of rotation
Alpha particle
Newton's Third Law
Wave