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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 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.
Frictional force
Quark
Heat
Component
2. 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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3. A measurement of a body's inertia - or resistance to being accelerated.
Velocity
Mass
Weber
Heat transfer
4. 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.
Angular frequency
Atomic number
Momentum
Absolute zero
5. 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.
Photoelectron
Faraday's Law
Inelastic collision
Convex mirror
6. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Transverse waves
Conservation of Angular Momentum
Loudness
Tail
7. 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.
Hypotenuse
Refraction
Kinematic equations
Index of refraction
8. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Sine
Basis vector
Boiling point
Angular acceleration
9. 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.
Coefficient of kinetic friction
Focal length
Snell's Law
Equilibrium position
10. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Directly proportional
Gravitational Potential Energy
Right-hand rule
Efficiency
11. Heat transfer by molecular collisions.
Conduction
Frictional force
Rigid body
Universal gas constant
12. 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.
Electromagnetic wave
Photoelectric effect
Acceleration
Atom
13. The path of each planet around the sun is an ellipse with the sun at one focus.
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14. The emf created by the motion of a charge through a magnetic field.
Deposition
Motional emf
Completely inelastic collision
Minima
15. The gravitational force exerted on a given mass.
Weight
Joule
Power
De Broglie wavelength
16. In an interference or diffraction pattern - the places where there is the least light.
Kepler's Second Law
Minima
Oscillation
Moment of inertia
17. In the Bohr model of the atom - the state in which an electron has the least energy and orbits closest to the nucleus.
Convex mirror
Ground state
Spring constant
Inertia
18. The points of maximum negative displacement along a wave. They are the opposite of wave crests.
Trough
Spectroscope
Distance
Zeroth Law of Thermodynamics
19. 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.
Wave
Rutherford nuclear model
Strong nuclear force
Isotope
20. 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
Alpha decay
Gravitational Potential Energy
Principal axis
Efficiency
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.
Celsius
First Law of Thermodynamics
Electromagnetic wave
Beta particle
22. 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
Real image
Michelson-Morley experiment
Specific heat
Mole
23. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Angular velocity
Radian
Hertz (Hz)
Inversely proportional
24. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Celsius
Faraday's Law
Oscillation
Node
25. 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.
Wave speed
Hertz (Hz)
Zeroth Law of Thermodynamics
Newton's Law of Universal Gravitation
26. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Dynamics
Momentum
Second Law of Thermodynamics
Coefficient of static friction
27. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Half
Refraction
Energy
Critical angle
28. When a solid - liquid - or gas changes into another phase of matter.
Angular frequency
Pascals
Phase change
Strong nuclear force
29. The effect of force on rotational motion.
Diffraction grating
Antinode
Torque
Superposition
30. The energy of a particle moving in space. It is defined in s of a particle's mass - m - and velocity - v - as (1/2)mv2.
Convex lens
Total internal reflection
Translational kinetic energy
Threshold frequency
31. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Rutherford nuclear model
Snell's Law
Inclined plane
Frictional force
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 -
Compression
Static friction
Activity
Angular displacement
33. The force of gravity - F - between two particles of mass and - separated by a distance r - has a magnitude of - where G is the gravitational constant. The force is directed along the line joining the two particles.
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34. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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35. 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.
Longitudinal waves
Tip
Gamma decay
Alpha particle
36. The two shorter sides of a right triangle that meet at the right angle.
Spring
Trough
Magnetic flux
Legs
37. A constant - J · s - which is useful in quantum physics. A second constant associated with Planck's constant is .
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38. In the graphical representation of vectors - the tail of the arrow is the blunt end (the end without a point).
Mass
Mass number
Tail
Heat transfer
39. 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.
Wave
Snell's Law
Spectroscope
Mass number
40. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Spectroscope
Simple harmonic oscillator
Refracted ray
Weak nuclear force
41. Light such that all of the associated waves have the same wavelength and are in phase.
Neutrino
Coherent light
Index of refraction
Direction
42. 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.
Crest
Atom
Constructive interference
Simple harmonic oscillator
43. 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.
Translational kinetic energy
Efficiency
Reflect
Decay constant
44. In a right triangle - the tangent of a given angle is the length of the side opposite the angle divided by the length of the side adjacent to the triangle.
Tail
Orbit
Tangent
Center of mass
45. Atoms of the same element may have different numbers of neutrons and therefore different masses. Atoms of the same element but with different numbers of neutrons are called isotopes of the same element.
Spring constant
Component
Law of conservation of energy
Isotope
46. A back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Internal energy
Margin of error
Oscillation
Phase
47. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Equilibrium
Nucleus
Specific heat
Refracted ray
48. A small particle-like bundle of electromagnetic radiation.
Faraday's Law
Incident ray
Oscillation
Photon
49. 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
Concave mirror
Standing wave
Newton's Third Law
50. A body or set of bodies that we choose to analyze as a group.
Induced current
Transverse waves
Orbit
System