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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. Kinematics is the study and description of the motion of objects.
Heat transfer
Alpha particle
Kinematics
Magnetic flux
2. An electromagnetic wave of very high frequency.
Electric generator
Trough
Absolute zero
Gamma ray
3. When two waves of slightly different frequencies interfere with one another - they produce a "beating" interference pattern that alternates between constructive (in-phase) and destructive (out-of-phase). In the case of sound waves - this sort of inte
Second Law of Thermodynamics
Beats
Law of conservation of energy
Impulse
4. 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.
Dot product
Focal length
First Law of Thermodynamics
Polarization
5. A property common to both vectors and scalars. In the graphical representation of a vector - the vector's magnitude is equal to the length of the arrow.
Elastic collision
Magnitude
Optics
Beta decay
6. The units of frequency - defined as inverse-seconds (1 Hz = 1 s-1). "Hertz" can be used interchangeably with "cycles per second."
Hertz (Hz)
Momentum
Center of curvature
Absolute zero
7. 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
Minima
Gamma decay
Normal
8. Linear momentum - p - commonly called "momentum" for short - is a vector quantity defined as the product of an object's mass - m - and its velocity - v.
Kinematic equations
Virtual image
Momentum
Motional emf
9. 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.
Rotational motion
Gravitational constant
Longitudinal waves
Pendulum
10. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Refracted ray
Quark
Restoring force
Mutual Induction
11. In radioactive substances - the number of nuclei that decay per second. Activity - A - will be larger in large samples of radioactive material - since there will be more nuclei.
Pressure
Magnitude
Activity
Strong nuclear force
12. 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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13. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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14. 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.
Angle of refraction
Orbit
Latent heat of sublimation
Equilibrium position
15. 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.
Weak nuclear force
Rotational kinetic energy
Transverse waves
Kepler's First Law
16. When a solid - liquid - or gas changes into another phase of matter.
Electronvolt
Pulley
Phase change
Angular displacement
17. The gravitational force exerted on a given mass.
Angular velocity
Work-energy theorem
Weight
Atom
18. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Nucleus
Free
Mutual Induction
Power
19. A vector quantity - L - that is the rotational analogue of linear momentum. For a single particle - the angular momentum is the cross product of the particle's displacement from the axis of rotation and the particle's linear momentum - . For a rigid
Equilibrium
Centripetal acceleration
First Law of Thermodynamics
Angular momentum
20. The property by which a charge moving in a magnetic field creates an electric field.
Law of conservation of energy
Hypotenuse
Electromagnetic induction
Decibel
21. The acceleration of a body experiencing uniform circular motion. This acceleration is always directed toward the center of the circle.
Centripetal acceleration
Pascals
Oscillation
Mass number
22. Waves produced by a source that is moving with respect to the observer will seem to have a higher frequency and smaller wavelength if the motion is towards the observer - and a lower frequency and longer wavelength if the motion is away from the obse
Decibel
Simple harmonic oscillator
Entropy
Doppler shift
23. The experience of being in free fall. If you are in a satellite - elevator - or other free-falling object - then you have a weight of zero Newtons relative to that object.
Vertex
Weightlessness
Center of curvature
Angle of refraction
24. 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.
Angular displacement
Ideal gas law
Index of refraction
Phase change
25. The amount heat necessary to cause a substance to undergo a phase transition.
Dot product
Right-hand rule
Incident ray
Latent heat of transformation
26. Relates the angle of incidence to the angle of refraction: .
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27. A vector quantity defined as the rate of change of the velocity vector with time.
Distance
Energy
Acceleration
Coefficient of volume expansion
28. When an object is held in circular motion about a massive body - like a planet or a sun - due to the force of gravity - that object is said to be in orbit. Objects in orbit are in perpetual free fall - and so are therefore weightless.
Orbit
Decibel
First Law of Thermodynamics
Axis of rotation
29. The current induced in a circuit by a change in magnetic flux.
Charles's Law
Induced current
Mass
Rotational kinetic energy
30. A vector quantity - commonly denoted by the vector s - which reflects an object's change in spatial position. The displacement vector points from the object's starting position to the object's current position in space. If an object is moved from poi
Potential energy
Displacement
Kinematics
First Law of Thermodynamics
31. Defined as the rate at which work is done - or the rate at which energy is transformed. P is measured in joules per second (J/s) - or watts (W).
Index of refraction
Tip
Standing wave
Power
32. 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
Component
Conservation of momentum
Phase change
Principal axis
33. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Mole
Phase change
Snell's Law
Law of conservation of energy
34. 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.
Angular acceleration
Conservation of momentum
Work
Longitudinal waves
35. 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
Potential energy
Center of curvature
Uncertainty principle
Spring
36. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Pascals
Strong nuclear force
Newton's Law of Universal Gravitation
Electric generator
37. 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
Sine
Rutherford nuclear model
Center of mass
Melting point
38. 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.
Nucleus
Zeroth Law of Thermodynamics
Calorie
Trough
39. A collision in which momentum is conserved but kinetic energy is not.
Inelastic collision
Gamma ray
Refraction
Deposition
40. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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41. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Heat
Radioactivity
Heat transfer
Critical angle
42. The time - T - required for a rigid body to complete one revolution.
Angular period
Spectroscope
Frictional force
Electronvolt
43. To every action - there is an equal and opposite reaction. If an object A exerts a force on another object B - B will exert on A a force equal in magnitude and opposite in direction to the force exerted by A.
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44. A means of defining the direction of the cross product vector. To define the direction of the vector - position your right hand so that your fingers point in the direction of A - and then curl them around so that they point in the direction of B. Th
Sublimation
Michelson-Morley experiment
Right-hand rule
Electronvolt
45. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Efficiency
Radiation
Coefficient of linear expansion
Pressure
46. A small particle-like bundle of electromagnetic radiation.
Magnitude
Wave speed
Dispersion
Photon
47. An image created by a mirror or lens in such a way that light does actually come from where the image appears to be. If you place a screen in front of a real image - the image will be projected onto the screen.
Translational kinetic energy
Melting point
Real image
Electromagnetic spectrum
48. The force that binds protons and neutrons together in the atomic nucleus.
Strong nuclear force
Sound
Centripetal force
Latent heat of fusion
49. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Kinetic energy
Principal axis
Superposition
Mass
50. An object is called radioactive if it undergoes radioactive decay.
Beats
Pulley
Zeroth Law of Thermodynamics
Radioactivity