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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 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.
Mass number
Total internal reflection
Node
Diffraction
2. 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
Sound
Latent heat of transformation
Centripetal force
Photoelectric effect
3. A machine that operates by taking heat from a hot place - doing some work with that heat - and then exhausting the rest of the heat into a cool place. The internal combustion engine of a car is an example of a heat engine.
Significant digits
Coefficient of linear expansion
Heat engine
Magnetic flux
4. 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.
Fundamental
Inclined plane
Displacement
Focal length
5. The ray of light that is reflected from a mirror or other reflecting surface.
Reflected ray
Isotope
Gold foil experiment
Wave speed
6. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Period
Work function
Radian
Standing wave
7. A small particle-like bundle of electromagnetic radiation.
Concave mirror
Photon
Newton's First Law
Nuclear fusion
8. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Charles's Law
Neutrino
Critical angle
Internal energy
9. 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
Magnification
Specific heat
Michelson-Morley experiment
Diffraction grating
10. 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.
Translational kinetic energy
Velocity
Kinetic theory of gases
Equilibrium
11. 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.
Wavelength
Thermal energy
Heat transfer
Magnetic flux
12. 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.
Heat engine
Work function
Snell's Law
Universal gas constant
13. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Boiling point
Legs
Basis vector
Phase change
14. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Rotational motion
Wave speed
Law of conservation of energy
Beta decay
15. 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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16. The force that binds protons and neutrons together in the atomic nucleus.
Strong nuclear force
Alpha decay
Conduction
Margin of error
17. 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.
Mass defect
Traveling waves
Rotational kinetic energy
Gamma decay
18. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Unit vector
Transformer
Dynamics
Mass defect
19. 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
Sound
Collision
Efficiency
Destructive interference
20. The ray of light that is refracted through a surface into a different medium.
Traveling waves
Refracted ray
Pendulum
Kinetic energy
21. 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.
Kepler's Second Law
Beta decay
Ideal gas law
Index of refraction
22. 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.
Crest
Speed
Diffraction
Proton
23. Kinematics is the study and description of the motion of objects.
Mass defect
Uniform circular motion
Concave mirror
Kinematics
24. 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.
Mutual Induction
Component
Magnitude
Angular acceleration
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.
Period
Angular velocity
Dot product
Focal point
26. A collision in which the colliding particles stick together.
Michelson-Morley experiment
Completely inelastic collision
Scalar
Optics
27. Relates the angle of incidence to the angle of refraction: .
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28. 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
Hypotenuse
Vector
Nuclear fusion
29. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Diffraction grating
Sublimation
Phase
Angular period
30. The time - T - required for a rigid body to complete one revolution.
Alpha particle
Angular period
Newton's Third Law
Kinematic equations
31. 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.
Alpha particle
Coefficient of kinetic friction
Displacement
Photoelectron
32. Given the trajectory of an object or system - the center of mass is the point that has the same acceleration as the object or system as a whole would have if its mass were concentrated at that point. In terms of force - the center of mass is the poin
Melting point
Ground state
Amplitude
Center of mass
33. A form of radioactive decay where a heavy element ejects a beta particle and a neutrino - becoming a lighter element in the process.
Elastic collision
Beta decay
Instantaneous velocity
Compression
34. In the graphical representation of vectors - the tail of the arrow is the blunt end (the end without a point).
Harmonic series
Tail
Kinetic theory of gases
Beta decay
35. 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
Oscillation
Threshold frequency
Heat transfer
36. 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.
Faraday's Law
Half
Constructive interference
Atom
37. The principle stating that for any isolated system - linear momentum is constant with time.
Conservation of momentum
Calorie
Vertex
Pressure
38. 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.
Nuclear fission
Chain reaction
Work
Inertia
39. Heat transfer via electromagnetic waves.
Rutherford nuclear model
Radiation
Heat engine
Boyle's Law
40. For an oscillating spring - the restoring force exerted by the spring is directly proportional to the displacement. That is - the more the spring is displaced - the stronger the force that will pull toward the equilibrium position. This law is expres
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41. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Inversely proportional
Vector
Boyle's Law
Proton
42. The angle between a reflected ray and the normal.
Cycle
Angle of reflection
Displacement
Kelvin
43. The number - N - of neutrons in an atomic nucleus.
Pascals
Uncertainty principle
Atom
Neutron number
44. The property by which a changing current in one coil of wire induces an emf in another.
Dynamics
Diffraction
Mutual Induction
Unit vector
45. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Concave mirror
Law of reflection
Decibel
Centripetal force
46. A constant in the numerator of a formula.
Concave mirror
Moment of inertia
Constant of proportionality
Pendulum
47. A negatively charged particle that orbits the nucleus of the atom.
Electron
Zeroth Law of Thermodynamics
Pascals
Newton
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
Potential energy
Maxima
Critical angle
Third Law of Thermodynamics
49. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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50. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Planck's constant
Inclined plane
Collision
Lenz's Law