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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 wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Inclined plane
Constant of proportionality
Hertz (Hz)
Reflected ray
2. 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.
Basis vector
Concave lens
Transverse waves
Vertex
3. 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.
Diffraction grating
Conservation of Angular Momentum
Electron
Activity
4. Done when energy is transferred by a force. The work done by a force F in displacing an object by s is W = F · s.
Phase change
Work
Beta decay
Directly proportional
5. The velocity at any given instant in time. To be contrasted with average velocity - which is a measure of the change in displacement over a given time interval.
Unit vector
Newton's Third Law
Instantaneous velocity
Axis of rotation
6. When electromagnetic radiation shines upon a metal - the surface of the metal releases energized electrons. The way in which these electrons are released contradicts classical theories of electromagnetic radiation and supports the quantum view accord
Photoelectric effect
Centripetal force
Standing wave
Melting point
7. Light such that all of the associated waves have the same wavelength and are in phase.
Faraday's Law
Focal length
Coherent light
Specific heat
8. Two quantities are directly proportional if an increase in one results in a proportional increase in the other - and a decrease in one results in a proportional decrease in the other. In a formula defining a certain quantity - those quantities to whi
Margin of error
Directly proportional
Destructive interference
Rutherford nuclear model
9. Two materials are in thermal equilibrium if they are at the same temperature.
Thermal equilibrium
Inversely proportional
Refraction
Motional emf
10. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Neutron
Inclined plane
Nuclear fusion
Rotational motion
11. 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.
Standing wave
Total internal reflection
Work function
Translational motion
12. 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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13. An image created by a mirror or lens in such a way that light does not actually come from where the image appears to be.
Mass
Michelson-Morley experiment
Maxima
Virtual image
14. The points on a standing wave where total destructive interference causes the medium to remain fixed at its equilibrium position.
Torque
Frequency
Faraday's Law
Node
15. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Medium
Constructive interference
Electromagnetic spectrum
Gravitational Potential Energy
16. When a solid - liquid - or gas changes into another phase of matter.
Phase change
Temperature
Gamma ray
Transverse waves
17. The emf created by the motion of a charge through a magnetic field.
Motional emf
Rigid body
Axis of rotation
Second Law of Thermodynamics
18. 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.
Diffraction
Refracted ray
Coefficient of kinetic friction
Alpha particle
19. A measure of the average kinetic energy of the molecules in a system. Temperature is related to heat by the specific heat of a given substance.
Ideal gas law
Refracted ray
Temperature
Coefficient of volume expansion
20. 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.
Momentum
Gold foil experiment
Kinetic friction
Static friction
21. 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
Energy
Cross product
Transverse waves
22. The two shorter sides of a right triangle that meet at the right angle.
Legs
Mechanical energy
Spring constant
Uniform circular motion
23. 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.
Zeroth Law of Thermodynamics
Ideal gas law
Conservation of momentum
Angular displacement
24. The stable position of a system where the net force acting on the object is zero.
Second Law of Thermodynamics
Equilibrium position
Minima
Angular acceleration
25. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Weak nuclear force
Centripetal acceleration
Third Law of Thermodynamics
Index of refraction
26. 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).
Snell's Law
Work-energy theorem
Power
Gamma ray
27. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Electromagnetic induction
Law of conservation of energy
Radioactive decay
Unit vector
28. 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 -
Electron
Sound
Compression
Trough
29. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
Joule
Tangent
Hooke's Law
Constructive interference
30. The property by which a changing current in one coil of wire induces an emf in another.
Mutual Induction
Incident ray
Speed
Isotope
31. 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
Virtual image
Alpha decay
Angular position
32. 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
Spring constant
Proton
Tension force
Neutron number
33. A push or a pull that causes an object to accelerate.
Newton's Second Law
Temperature
Decay constant
Force
34. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Hooke's Law
Calorie
Latent heat of transformation
Gravitational Potential Energy
35. The number of digits that have been accurately measured. When combining several measurements in a formula - the resulting calculation can only have as many significant digits as the measurement that has the smallest number of significant digits.
Uncertainty principle
Thermal equilibrium
Strong nuclear force
Significant digits
36. 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.
Thermal energy
Gamma decay
Optics
Convex mirror
37. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Principal axis
Reflect
Angular frequency
Gold foil experiment
38. 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.
Angular frequency
Michelson-Morley experiment
Newton's Third Law
Meson
39. 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.
Gamma decay
Celsius
Alpha particle
System
40. The bending of light at the corners of objects or as it passes through narrow slits or apertures.
Angular frequency
Instantaneous velocity
Rigid body
Diffraction
41. The movement of a rigid body's center of mass in space.
Mutual Induction
Translational motion
Trough
Cross product
42. The line that every particle in the rotating rigid body circles about.
Tension force
Isotope
Equilibrium
Axis of rotation
43. 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.
Medium
Centripetal force
Heat
Universal gas constant
44. The particles and energy released by the fission or fusion of one atom may trigger the fission or fusion of further atoms. In a chain reaction - fission or fusion is rapidly transferred to a large number of atoms - releasing tremendous amounts of ene
Conservation of Angular Momentum
Virtual image
Chain reaction
Angular momentum
45. 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
Angle of incidence
Component
Newton
Significant digits
46. 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.
Refracted ray
Static friction
Latent heat of fusion
Impulse
47. A coefficient that tells how much the volume of a solid will change when it is heated or cooled.
Atom
Coefficient of volume expansion
Electron
Cosine
48. A system with many parts in periodic - or repetitive - motion. The oscillations in one part cause vibrations in nearby parts.
Photoelectric effect
Rutherford nuclear model
Angular momentum
Wave
49. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.
Sound
Boyle's Law
Translational kinetic energy
Transformer
50. The amount heat necessary to cause a substance to undergo a phase transition.
Distance
Gamma ray
Wave speed
Latent heat of transformation