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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. 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
Cycle
Longitudinal waves
Alpha particle
Newton's Second Law
2. The points on a standing wave where total destructive interference causes the medium to remain fixed at its equilibrium position.
Boiling point
Node
Refraction
Angular position
3. 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
Kinetic energy
Neutron number
Spring
Component
4. 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.
Tangent
Photoelectron
Index of refraction
System
5. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Beta particle
Pendulum
Law of conservation of energy
Acceleration
6. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Equilibrium position
Calorie
Conduction
Gamma ray
7. The units of frequency - defined as inverse-seconds (1 Hz = 1 s-1). "Hertz" can be used interchangeably with "cycles per second."
Critical angle
Nuclear fission
Reflection
Hertz (Hz)
8. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Proton
Spectroscope
Michelson-Morley experiment
Thermal equilibrium
9. 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
Induced current
Energy
Angular velocity
Frictional force
10. 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
Destructive interference
Concave mirror
Right-hand rule
11. 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.
Planck's constant
Weight
Translational motion
Zeroth Law of Thermodynamics
12. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Latent heat of transformation
Angular acceleration
Superposition
Coefficient of linear expansion
13. A body or set of bodies that we choose to analyze as a group.
Convection
Faraday's Law
First Law of Thermodynamics
System
14. With spherical mirrors - the center of the sphere of which the mirror is a part. All of the normals pass through it.
Normal force
Magnetic flux
Center of curvature
Hertz (Hz)
15. 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
Torque
Bohr atomic model
Latent heat of sublimation
Electric generator
16. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Angle of incidence
Atom
Quark
Potential energy
17. A nuclear reaction that takes place only at very high temperatures. Two light atoms - often hydrogen - fuse together to form a larger single atom - releasing a vast amount of energy in the process.
Tail
Work
Nuclear fusion
Loudness
18. Also called a diverging lens - a lens that is thinner in the middle than at the edges. Concave lenses refract light away from a focal point.
Kepler's Second Law
Induced current
Inertial reference frame
Concave lens
19. 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.
Work
Fundamental
Entropy
Latent heat of sublimation
20. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Spectroscope
Second Law of Thermodynamics
Zeroth Law of Thermodynamics
Kepler's Third Law
21. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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22. 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.
Harmonic series
Kinetic theory of gases
Meson
Pitch
23. The stable position of a system where the net force acting on the object is zero.
Elastic collision
Decibel
Equilibrium position
Reflection
24. The net change - - in a point's angular position - . It is a scalar quantity.
Trough
Medium
Angular displacement
Latent heat of vaporization
25. A wavelength - given by = h/mv - which is associated with matter. Louis de Broglie proposed the idea that matter could be treated as waves in 1923 and applied this theory successfully to small particles like electrons.
Traveling waves
Momentum
De Broglie wavelength
Atom
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
Centripetal force
Lenz's Law
Gravitational Potential Energy
Chain reaction
27. Represented by R = 8.31 J/mol · K - the universal gas constant fits into the ideal gas law so as to relate temperature to the average kinetic energy of gas molecules.
Universal gas constant
Radioactivity
Work-energy theorem
Uniform circular motion
28. 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.
Planck's constant
Heat engine
Inertia
Center of curvature
29. Waves in which the medium moves in the direction perpendicular to the propagation of the wave. Waves on a stretched string - water waves - and electromagnetic waves are all examples of transverse waves.
Latent heat of fusion
Convex mirror
Focal point
Transverse waves
30. The force that binds protons and neutrons together in the atomic nucleus.
Crest
Strong nuclear force
Cycle
Mole
31. A back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Oscillation
Velocity
Pascals
Static friction
32. A device that converts mechanical energy to electrical energy by rotating a coil in a magnetic field; sometimes called a "dynamo."
Kinematic equations
Threshold frequency
Free
Electric generator
33. The state of a nonrotating object upon whom the net torque acting is zero.
Longitudinal waves
Convex lens
Collision
Equilibrium
34. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Kinetic friction
Newton
Alpha particle
Threshold frequency
35. A form of vector multiplication - where two vectors are multiplied to produce a scalar. The dot product of two vectors - A and B - is expressed by the equation A · B = AB cos .
Electronvolt
Wave
Concave mirror
Dot product
36. Light such that all of the associated waves have the same wavelength and are in phase.
Coherent light
Constructive interference
Sine
Bohr atomic model
37. 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.
Oscillation
Internal energy
Collision
Angular position
38. The line perpendicular to a surface. There is only one normal for any given surface.
Normal
Tail
Photon
Heat
39. Two materials are in thermal equilibrium if they are at the same temperature.
Rotational kinetic energy
Hooke's Law
Kinetic friction
Thermal equilibrium
40. Relates the angle of incidence to the angle of refraction: .
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41. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Chain reaction
Superposition
Hertz (Hz)
Quark
42. An experiment in 1879 that showed that the speed of light is constant to all observers. Einstein used the results of this experiment as support for his theory of special relativity.
Michelson-Morley experiment
Kepler's Third Law
Inclined plane
Isolated system
43. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Cross product
Restoring force
Translational kinetic energy
Melting point
44. Heat transfer via electromagnetic waves.
Radiation
Medium
Hooke's Law
Heat transfer
45. 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.
Elastic collision
Heat engine
Pendulum
Angle of incidence
46. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.
Newton's Third Law
Mass number
First Law of Thermodynamics
Superposition
47. A quantity that possesses a magnitude but not a direction. Mass and length are common examples.
Scalar
Strong nuclear force
Kepler's Second Law
Centripetal acceleration
48. The ratio of the size of the image produced by a mirror or lens to the size of the original object. This number is negative if the image is upside-down.
Magnification
Heat engine
Meson
System
49. An object that retains its overall shape - meaning that the particles that make up the rigid body stay in the same position relative to one another.
Rigid body
Photon
Vector
Universal gas constant
50. The amplification of one wave by another - identical wave of the same sign. Two constructively interfering waves are said to be "in phase."
Constructive interference
Antinode
Newton's Second Law
Reflect