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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 property by which a charge moving in a magnetic field creates an electric field.
Speed
Electromagnetic induction
Hertz (Hz)
Newton's Law of Universal Gravitation
2. A wave on a string that is tied to a pole at one end will reflect back toward its source - producing a wave that is the mirror-image of the original and which travels in the opposite direction.
Total internal reflection
Reflect
Inertial reference frame
Electromagnetic induction
3. The amplification of one wave by another - identical wave of the same sign. Two constructively interfering waves are said to be "in phase."
Concave lens
Isolated system
Constructive interference
Entropy
4. The speed at which a wave crest or trough propagates. Note that this is not the speed at which the actual medium (like the stretched string or the air particles) moves.
Uniform circular motion
Wave speed
Doppler shift
Ideal gas law
5. A vector quantity - - that reflects the change of angular displacement with time - and is typically given in units of rad/s. To find the direction of the angular velocity vector - take your right hand and curl your fingers along the particle or body
Tail
Work function
Reflected ray
Angular velocity
6. The unit of magnetic flux - equal to one T · m2.
Angular position
Standing wave
Coefficient of static friction
Weber
7. 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
Decay constant
Mechanical energy
Medium
Kinetic friction
8. 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
Bohr atomic model
Force
Radian
Potential energy
9. A back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Translational kinetic energy
Oscillation
Impulse
Deposition
10. 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.
Magnetic flux
Tip
Virtual image
Bohr atomic model
11. 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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12. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Wave
Celsius
Margin of error
Weak nuclear force
13. 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.
Moment of inertia
Significant digits
Normal force
Center of curvature
14. A measurement of a body's inertia - or resistance to being accelerated.
Radian
Mass
Strong nuclear force
Motional emf
15. A scalar quantity. If an object is moved from point A to point B in space along path AB - the distance that the object has traveled is the length of the path AB. Distance is to be contrasted with displacement - which is simply a measure of the distan
Phase change
Joule
Kinematics
Distance
16. 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.
Frictional force
Speed
Newton
Pressure
17. The building blocks of all matter - atoms are made up of a nucleus consisting of protons and neutrons - and a number of electrons that orbit the nucleus. An electrically neutral atom has as many protons as it has electrons.
Virtual image
Atom
Normal
Strong nuclear force
18. A principle derived by Werner Heisenberg in 1927 that tells us that we can never know both the position and the momentum of a particle at any given time.
Boyle's Law
Uncertainty principle
Reflected ray
Beta particle
19. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Refraction
Medium
Constructive interference
Newton
20. 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 - .
Fundamental
Direction
Quark
Pitch
21. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Elastic collision
Harmonic series
Beta particle
Newton's First Law
22. A vector quantity - equal to the rate of change of the angular velocity vector with time. It is typically given in units of rad/s2.
Hooke's Law
Angular acceleration
Gamma ray
Coefficient of static friction
23. 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
Impulse
Atomic number
Neutron number
24. 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.
Polarization
Celsius
Temperature
Significant digits
25. The energy of a particle rotating around an axis.
Radioactivity
Direction
Pressure
Rotational kinetic energy
26. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Doppler shift
Cross product
Restoring force
Optics
27. 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.
Heat transfer
Work
Compression
Coefficient of kinetic friction
28. The points on a standing wave where total destructive interference causes the medium to remain fixed at its equilibrium position.
Phase change
Zeroth Law of Thermodynamics
Spring constant
Node
29. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Weak nuclear force
Newton
Cosine
Crest
30. A collision in which momentum is conserved but kinetic energy is not.
Component
Virtual image
Harmonic series
Inelastic collision
31. 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
Translational kinetic energy
Weber
Snell's Law
32. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Electronvolt
Photon
Wave speed
Deposition
33. In reference to oscillation - amplitude is the maximum displacement of the oscillator from its equilibrium position. Amplitude tells how far an oscillator is swinging back and forth. In periodic motion - amplitude is the maximum displacement in each
Heat engine
Mutual Induction
Amplitude
Latent heat of sublimation
34. In an interference or diffraction pattern - the places where there is the most light.
Equilibrium position
Maxima
Ground state
Magnification
35. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.
Angle of incidence
Half
De Broglie wavelength
Centripetal force
36. When dealing with reflection or refraction - the incident ray is the ray of light before it strikes the reflecting or refracting surface.
Snell's Law
Latent heat of sublimation
Incident ray
Mutual Induction
37. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Neutron
Tangent
Pitch
Convex mirror
38. 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.
Internal energy
Latent heat of vaporization
Magnitude
Sine
39. Light such that all of the associated waves have the same wavelength and are in phase.
Radian
Coherent light
Law of conservation of energy
Rutherford nuclear model
40. A constant in the numerator of a formula.
Period
Constant of proportionality
Proton
Maxima
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
Refraction
Angular acceleration
Normal force
Electromagnetic wave
42. A small particle-like bundle of electromagnetic radiation.
Tangent
Photon
Spring
Transformer
43. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Newton's Third Law
Latent heat of sublimation
Spring
Directly proportional
44. 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.
Directly proportional
Kinetic friction
Half
Decay constant
45. The straight line that runs through the focal point and the vertex of a mirror or lens.
Principal axis
Potential energy
Amplitude
Work-energy theorem
46. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Direction
Coefficient of linear expansion
Diffraction grating
Specific heat
47. 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.
Latent heat of transformation
De Broglie wavelength
Kepler's Second Law
Meson
48. 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
Focal point
Doppler shift
Conduction
Force
49. The index of refraction n = c/v of a substance characterizes the speed of light in that substance - v. It also characterizes - by way of Snell's Law - the angle at which light refracts in that substance.
Thermal equilibrium
Efficiency
Ideal gas law
Index of refraction
50. Atoms of the same element may have different numbers of neutrons and therefore different masses. Atoms of the same element but with different numbers of neutrons are called isotopes of the same element.
Angular period
Kinetic energy
Isotope
Universal gas constant