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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 scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Constructive interference
Celsius
Meson
Destructive interference
2. A mirror that is curved such that its center is farther from the viewer than the edges - such as the front of a spoon. Concave mirrors reflect light through a focal point.
Spring constant
Angular momentum
Concave mirror
Weber
3. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Uncertainty principle
Inertia
Coefficient of static friction
Inclined plane
4. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Gold foil experiment
Translational motion
Temperature
Neutrino
5. The amount heat necessary to cause a substance to undergo a phase transition.
Pascals
Latent heat of transformation
Incident ray
Rigid body
6. The time - T - required for a rigid body to complete one revolution.
Electromagnetic spectrum
Angular period
Photon
Critical angle
7. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.
Amplitude
Directly proportional
Sound
Trough
8. The property of a vector that distinguishes it from a scalar: while scalars have only a magnitude - vectors have both a magnitude and a direction. When graphing vectors in the xy-coordinate space - direction is usually given by the angle measured cou
Third Law of Thermodynamics
Direction
Newton's Second Law
Transverse waves
9. A collision in which both kinetic energy and momentum are conserved.
Elastic collision
Amplitude
Directly proportional
Meson
10. 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.
Mole
Convex mirror
Medium
Angle of reflection
11. 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.
Neutron
Latent heat of fusion
Snell's Law
Melting point
12. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Heat engine
Dynamics
Antinode
Decibel
13. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Newton
Angle of refraction
Law of reflection
Harmonic series
14. 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.
Normal force
Conservation of Angular Momentum
Photon
Instantaneous velocity
15. A system that no external net force acts upon. Objects within the system may exert forces upon one another - but they cannot receive any impulse from outside forces. Momentum is conserved in isolated systems.
Unit vector
Isolated system
Newton's Law of Universal Gravitation
Optics
16. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Celsius
Frequency
Law of conservation of energy
Universal gas constant
17. 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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18. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Displacement
Incident ray
Conservation of Angular Momentum
Gold foil experiment
19. The point of a mirror or lens where all light that runs parallel to the principal axis will be focused. Concave mirrors and convex lenses are designed to focus light into the focal point. Convex mirrors and concave lenses focus light away from the fo
Absolute zero
Focal point
Rutherford nuclear model
Weak nuclear force
20. Also called a converging lens - a lens that is thicker in the middle than at the edges. Convex lenses refract light through a focal point.
Convex lens
Equilibrium position
Motional emf
Decay constant
21. In a right triangle - the sine of a given angle is the length of the side opposite the angle divided by the length of the hypotenuse.
Rotational motion
Margin of error
Virtual image
Sine
22. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Directly proportional
Gravitational constant
Pressure
Harmonic series
23. The name of an electron released from the surface of a metal due to the photoelectric effect.
Unit vector
De Broglie wavelength
Tension force
Photoelectron
24. 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.
Inertia
Conservation of momentum
Period
Distance
25. 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.
Sound
Rigid body
Meson
Translational motion
26. A wave with wave crests that propagate down the length of the medium - in contrast to stationary standing waves. The velocity at which a crest propagates is called the wave speed.
Traveling waves
Neutrino
Frequency
Gamma ray
27. The line perpendicular to a surface. There is only one normal for any given surface.
Normal
Heat transfer
Displacement
Weber
28. 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.
Decibel
Coherent light
Mass number
Focal length
29. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Reflect
Magnitude
Hertz (Hz)
Weak nuclear force
30. 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.
Photoelectron
Compression
Conservation of momentum
Rigid body
31. Two quantities are inversely proportional if an increase in one results in a proportional decrease in the other - and a decrease in one results in a proportional increase in the other. In a formula defining a certain quantity - those quantities to wh
Inversely proportional
Centripetal acceleration
Latent heat of fusion
Potential energy
32. 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
Thermal energy
Dot product
Bohr atomic model
Radioactive decay
33. The distance between successive wave crests - or troughs. Wavelength is measured in meters and is related to frequency and wave speed by = v/f.
Motional emf
Wavelength
Basis vector
Angular period
34. 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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35. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Diffraction
Universal gas constant
Node
Rotational motion
36. 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.
Neutron number
Work
Gamma decay
Vector
37. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Frictional force
Boiling point
Sound
Collision
38. The unit of magnetic flux - equal to one T · m2.
Weber
Pendulum
Normal
Second Law of Thermodynamics
39. 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.
Wave speed
Boiling point
Michelson-Morley experiment
Newton
40. The angle between a reflected ray and the normal.
Threshold frequency
Hooke's Law
Rotational motion
Angle of reflection
41. The reaction force of the ground - a table - etc. - when an object is placed upon it. The normal force is a direct consequence of Newton's Third Law: when an object is placed on the ground - the ground pushes back with the same force that it is pushe
Inelastic collision
Principal axis
Motional emf
Normal force
42. 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.
Kinetic theory of gases
Mass number
Proton
Constant of proportionality
43. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Kepler's Third Law
Cosine
Alpha particle
Half
44. 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.
Angle of refraction
Coefficient of static friction
Destructive interference
Motional emf
45. 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.
Angular position
Newton's Third Law
Standing wave
Uniform circular motion
46. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
Zeroth Law of Thermodynamics
Optics
Angle of reflection
Joule
47. Heat transfer via the mass movement of molecules.
Photoelectric effect
Convection
Beta decay
Photon
48. The property by which a changing current in one coil of wire induces an emf in another.
Mutual Induction
Instantaneous velocity
Spring
Neutron
49. The force between two surfaces moving relative to one another. The frictional force is parallel to the plane of contact between the two objects and in the opposite direction of the sliding object's motion.
Convex mirror
Kinetic friction
Strong nuclear force
Newton's Law of Universal Gravitation
50. 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.
Ground state
Transverse waves
Planck's constant
Kinematics