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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 current induced in a circuit by a change in magnetic flux.
Focal point
Induced current
Medium
Force
2. A scalar quantity that tells us how fast an object is moving. It measures the rate of change in distance over time. Speed is to be contrasted with velocity in that there is no direction associated with speed.
Restoring force
Speed
Alpha particle
Conservation of momentum
3. The force transmitted along a rope or cable.
Inclined plane
Concave mirror
Proton
Tension force
4. 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.
Period
Impulse
Kepler's Third Law
Mass number
5. 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
Angle of refraction
Decay constant
Collision
6. 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.
Hertz (Hz)
Radiation
Angular frequency
Atomic number
7. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Translational motion
Free
Critical angle
Real image
8. The number - N - of neutrons in an atomic nucleus.
Right-hand rule
Reflection
Potential energy
Neutron number
9. The sum of a system's potential and kinetic energy. In many systems - including projectiles - pulleys - pendulums - and motion on frictionless surfaces - mechanical energy is conserved. One important type of problem in which mechanical energy is not
Mechanical energy
Entropy
Gravitational constant
Photoelectric effect
10. A negatively charged particle that orbits the nucleus of the atom.
Phase
Rotational kinetic energy
Electron
Acceleration
11. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Kinetic energy
Maxima
Charles's Law
Superposition
12. 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.
Standing wave
Inclined plane
Mole
Doppler shift
13. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Translational motion
Cosine
Electromagnetic spectrum
Longitudinal waves
14. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Decay constant
Wave
Inclined plane
Momentum
15. A constant - - not to be confused with wavelength - that defines the speed at which a radioactive element undergoes decay. The greater is - the faster the element decays.
Scalar
Basis vector
Decay constant
Reflected ray
16. 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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17. 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.
Angular period
Amplitude
Concave lens
Focal length
18. If a line is drawn from the sun to the planet - then the area swept out by this line in a given time interval is constant.
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19. An object is called radioactive if it undergoes radioactive decay.
Diffraction
Radioactivity
Wavelength
Phase
20. The units of frequency - defined as inverse-seconds (1 Hz = 1 s-1). "Hertz" can be used interchangeably with "cycles per second."
Hertz (Hz)
Diffraction
Optics
Newton's Third Law
21. 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.
Coherent light
Hertz (Hz)
Orbit
Thermal equilibrium
22. 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.
Vertex
Index of refraction
Coefficient of linear expansion
Longitudinal waves
23. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Beta particle
Tail
Radiation
Right-hand rule
24. The coefficient of kinetic friction - - for two materials is the constant of proportionality between the normal force and the force of kinetic friction. It is always a number between zero and one.
Radius of curvature
Coefficient of kinetic friction
Newton's First Law
Power
25. The time it takes a system to pass through one cycle of its repetitive motion. The period - T - is the inverse of the motion's frequency - f = 1/T.
Displacement
Law of conservation of energy
Hypotenuse
Period
26. Another word for the frequency of a sound wave.
Moment of inertia
Meson
Unit vector
Pitch
27. The standing wave with the lowest frequency that is supported by a string with both ends tied down is called the fundamental - or resonance - of the string. The wavelength of the fundamental is twice the length of the string - .
Velocity
Displacement
Sublimation
Fundamental
28. A quantity that possesses a magnitude but not a direction. Mass and length are common examples.
Medium
Activity
Scalar
Angular momentum
29. 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.
Sublimation
Tip
Electromagnetic induction
Latent heat of fusion
30. The amount of error that's possible in a given measurement.
Margin of error
Fundamental
Beta particle
Angular velocity
31. The property by which a charge moving in a magnetic field creates an electric field.
Antinode
Electromagnetic induction
Electromagnetic wave
Motional emf
32. A measurement of a body's inertia - or resistance to being accelerated.
Uniform circular motion
Wavelength
Nucleus
Mass
33. The phenomenon by which light traveling from a high n to a low n material will reflect from the optical interface if the incident angle is greater than the critical angle.
Electronvolt
Total internal reflection
Completely inelastic collision
Elastic collision
34. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Work
Refracted ray
Nucleus
Unit vector
35. In the Bohr model of the atom - the state in which an electron has the least energy and orbits closest to the nucleus.
Distance
Kinetic friction
Ground state
Harmonic series
36. 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.
Lenz's Law
Mechanical energy
Velocity
Angular displacement
37. The state of a nonrotating object upon whom the net torque acting is zero.
Magnetic flux
Uncertainty principle
Nuclear fission
Equilibrium
38. The net change - - in a point's angular position - . It is a scalar quantity.
Reflect
Angular displacement
Latent heat of sublimation
Angular period
39. The ray of light that is refracted through a surface into a different medium.
Dynamics
Ideal gas law
Refracted ray
Conservation of momentum
40. The coefficient of static friction - for two materials is the constant of proportionality between the normal force and the maximum force of static friction. It is always a number between zero and one.
Normal
Mole
Coefficient of static friction
Neutrino
41. 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.
Legs
Oscillation
Force
Transverse waves
42. A constant in the numerator of a formula.
Constant of proportionality
Wavelength
Total internal reflection
Wave
43. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.
Kinematic equations
Snell's Law
Sound
Standing wave
44. The separation of different color light via refraction.
Dispersion
Radioactive decay
Inertial reference frame
De Broglie wavelength
45. The ray of light that is reflected from a mirror or other reflecting surface.
System
Acceleration
Reflected ray
Neutrino
46. Indicates how "bouncy" or "stiff" a spring is. More specifically - the spring constant - k - is the constant of proportionality between the restoring force exerted by the spring - and the spring's displacement from equilibrium. The greater the value
Concave mirror
Boiling point
Spring constant
Third Law of Thermodynamics
47. 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.
Kepler's First Law
Work-energy theorem
Thermal energy
Impulse
48. 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
Speed
Isolated system
Potential energy
Centripetal acceleration
49. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Meson
Snell's Law
Nuclear fusion
Calorie
50. A unit vector is a vector with length 1.
Cosine
Weight
Unit vector
Latent heat of transformation