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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 emf created by the motion of a charge through a magnetic field.
Hertz (Hz)
Rigid body
Celsius
Motional emf
2. The path of each planet around the sun is an ellipse with the sun at one focus.
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3. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Sound
Magnitude
Sublimation
Constant of proportionality
4. 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.
Thermal energy
De Broglie wavelength
Total internal reflection
Kepler's First Law
5. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Work
Deposition
Reflected ray
Radioactivity
6. A system with many parts in periodic - or repetitive - motion. The oscillations in one part cause vibrations in nearby parts.
Distance
Wave
Translational motion
Work function
7. The points of maximum displacement along a wave. In traveling waves - the crests move in the direction of propagation of the wave. The crests of standing waves - also called anti-nodes - remain in one place.
Decay constant
Angular displacement
Crest
Mass
8. The number of cycles executed by a system in one second. Frequency is the inverse of period - f = 1/T. Frequency is measured in hertz - Hz.
Convex mirror
Frequency
Angle of refraction
Angle of reflection
9. The principle stating that for any isolated system - linear momentum is constant with time.
Alpha particle
Conservation of momentum
Second Law of Thermodynamics
Coefficient of linear expansion
10. 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
Radian
Sine
Law of conservation of energy
Displacement
11. 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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12. In an interference or diffraction pattern - the places where there is the least light.
Angle of incidence
Celsius
Minima
Longitudinal waves
13. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Constant of proportionality
Spectroscope
Weak nuclear force
Mole
14. A transfer of thermal energy. We don't speak about systems "having" heat - but about their "transferring" heat - much in the way that dynamical systems don't "have" work - but rather "do" work.
Principal axis
Angular velocity
Total internal reflection
Heat
15. The amount of heat of a material required to raise the temperature of either one kilogram or one gram of that material by one degree Celsius. Different units may be used depending on whether specific heat is measured in s of grams or kilograms - and
Melting point
Specific heat
Pitch
Atom
16. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Simple harmonic oscillator
Pascals
Center of mass
Hertz (Hz)
17. The bending of light as it passes from one medium to another. Light refracts toward the normal when going from a less dense medium into a denser medium and away from the normal when going from a denser medium into a less dense medium.
Refraction
Velocity
Work function
Newton's Second Law
18. 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
Right-hand rule
Kepler's First Law
Directly proportional
Crest
19. 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
Calorie
Kinematics
Angular period
Bohr atomic model
20. When objects collide - each object feels a force for a short amount of time. This force imparts an impulse - or changes the momentum of each of the colliding objects. The momentum of a system is conserved in all kinds of collisions. Kinetic energy is
Photon
Reflection
Motional emf
Collision
21. 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.
Angular momentum
Distance
Snell's Law
Speed
22. The center of a mirror or lens.
Center of curvature
Newton's Third Law
Restoring force
Vertex
23. The amount heat necessary to cause a substance to undergo a phase transition.
Spring
Doppler shift
Latent heat of transformation
Angle of refraction
24. 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
Chain reaction
Spring constant
Half
Pitch
25. A transfer of thermal energy from one system to another.
Heat transfer
Radian
Spring
Latent heat of fusion
26. 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
Beats
Hertz (Hz)
Mass defect
Sine
27. The ratio of the size of the image produced by a mirror or lens to the size of the original object. This number is negative if the image is upside-down.
Beats
Magnification
Static friction
Sublimation
28. The amount of heat necessary to transform a liquid at a given temperature into a gas of the same temperature - or the amount of heat needed to be taken away from a gas of a given temperature to transform it into a liquid of the same temperature.
Power
Quark
Center of curvature
Latent heat of vaporization
29. The unit of magnetic flux - equal to one T · m2.
Momentum
Weber
Diffraction
Cosine
30. An object is called radioactive if it undergoes radioactive decay.
Radioactivity
Neutron number
Mole
Harmonic series
31. 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.
Pulley
Electric generator
Concave mirror
Period
32. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
De Broglie wavelength
Right-hand rule
Constructive interference
Proton
33. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Newton
Half
Scalar
Gold foil experiment
34. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Neutrino
Convex mirror
Charles's Law
Radian
35. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Kelvin
Medium
Rotational kinetic energy
Spring
36. A small particle-like bundle of electromagnetic radiation.
Photon
Calorie
Centripetal force
Total internal reflection
37. 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.
Cosine
Work
Moment of inertia
Radius of curvature
38. A constant - J · s - which is useful in quantum physics. A second constant associated with Planck's constant is .
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39. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Incident ray
Frequency
Cosine
Electromagnetic spectrum
40. 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
System
Gravitational constant
Cycle
Rarefaction
41. The property by which a changing current in one coil of wire induces an emf in another.
Electric generator
Latent heat of sublimation
Mutual Induction
Michelson-Morley experiment
42. There are a few versions of this law. One is that heat flows spontaneously from hot to cold - but not in the reverse direction. Another is that there is no such thing as a 100% efficient heat engine. A third states that the entropy - or disorder - of
Proton
Sine
Direction
Second Law of Thermodynamics
43. 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
Inelastic collision
Trough
Electromagnetic induction
Right-hand rule
44. When dealing with reflection or refraction - the incident ray is the ray of light before it strikes the reflecting or refracting surface.
Dynamics
Thermal equilibrium
Incident ray
Work-energy theorem
45. The study of the properties of visible light - i.e. - the portion of the electromagnetic spectrum with wavelengths between 360 and 780 nm (1 nm = m/s).
Reflection
Simple harmonic oscillator
Crest
Optics
46. The force that binds protons and neutrons together in the atomic nucleus.
Strong nuclear force
Wave speed
Polarization
Direction
47. 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
Equilibrium
Sine
Radiation
Photoelectric effect
48. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Isolated system
Pressure
Motional emf
Angular period
49. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Photoelectron
Mechanical energy
Gold foil experiment
Dynamics
50. Kinematics is the study and description of the motion of objects.
Kinematics
Coefficient of static friction
Vertex
Refraction