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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 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
Static friction
Free
Tail
Chain reaction
2. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Axis of rotation
Efficiency
Rutherford nuclear model
Angle of incidence
3. The substance that is displaced as a wave propagates through it. Air is the medium for sound waves - the string is the medium of transverse waves on a string - and water is the medium for ocean waves. Note that even if the waves in a given medium tra
Standing wave
Planck's constant
First Law of Thermodynamics
Medium
4. The separation of different color light via refraction.
Ground state
Torque
Dispersion
Uncertainty principle
5. A frequency - f - defined as the number of revolutions a rigid body makes in a given time interval. It is a scalar quantity commonly denoted in units of Hertz (Hz) or s-1.
Coefficient of volume expansion
Simple harmonic oscillator
Angular frequency
Principal axis
6. An equation - PV = nRT - that relates the pressure - volume - temperature - and quantity of an ideal gas. An ideal gas is one that obeys the approximations laid out in the kinetic theory of gases.
Antinode
Vertex
Neutron
Ideal gas law
7. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Radioactivity
Constructive interference
Charles's Law
Beta particle
8. 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.
Sine
Instantaneous velocity
Latent heat of sublimation
Radius of curvature
9. A vector quantity - L - that is the rotational analogue of linear momentum. For a single particle - the angular momentum is the cross product of the particle's displacement from the axis of rotation and the particle's linear momentum - . For a rigid
Kinematic equations
Angular momentum
Kinetic energy
Pendulum
10. A quantity that possesses a magnitude but not a direction. Mass and length are common examples.
Inertia
Uncertainty principle
Decay constant
Scalar
11. 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.
Simple harmonic oscillator
Equilibrium
Gamma decay
Beta decay
12. An object is called radioactive if it undergoes radioactive decay.
Restoring force
Impulse
Atom
Radioactivity
13. The mass difference between a nucleus and the sum of the masses of the constituent protons and neutrons.
Bohr atomic model
De Broglie wavelength
Angle of refraction
Mass defect
14. 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.
Transverse waves
Isolated system
Reflect
Sound
15. A constant - J · s - which is useful in quantum physics. A second constant associated with Planck's constant is .
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16. 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.
Margin of error
Celsius
Heat
Electric generator
17. The points midway between nodes on a standing wave - where the oscillations are largest.
Radioactive decay
Neutron
Pressure
Antinode
18. The temperature at which a material will change phase from solid to liquid or liquid to solid.
Node
Mole
Index of refraction
Melting point
19. The angle between a reflected ray and the normal.
Beta particle
Heat engine
Angle of reflection
Phase change
20. 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.
Transverse waves
Kinetic friction
Magnitude
Electron
21. 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.
Rotational kinetic energy
Electric generator
Distance
Refraction
22. 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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23. A transverse traveling wave created by the oscillations of an electric field and a magnetic field. Electromagnetic waves travel at the speed of light - m/s. Examples include microwaves - X rays - and visible light.
Reflection
Gamma decay
Bohr atomic model
Electromagnetic wave
24. In a right triangle - the tangent of a given angle is the length of the side opposite the angle divided by the length of the side adjacent to the triangle.
Tangent
Superposition
Normal
Directly proportional
25. Light such that all of the associated waves have the same wavelength and are in phase.
Coherent light
Maxima
Transverse waves
Radius of curvature
26. The time - T - required for a rigid body to complete one revolution.
Angular period
Simple harmonic oscillator
Weight
Distance
27. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Component
Decibel
Sublimation
Superposition
28. A coefficient that tells how much the volume of a solid will change when it is heated or cooled.
Absolute zero
Mass defect
Coefficient of volume expansion
Conduction
29. Heat transfer via the mass movement of molecules.
Oscillation
Convection
Electric generator
Ground state
30. The bending of light at the corners of objects or as it passes through narrow slits or apertures.
Proton
Diffraction
Gravitational constant
Angle of refraction
31. The line that every particle in the rotating rigid body circles about.
Latent heat of fusion
Axis of rotation
Spring constant
Longitudinal waves
32. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Weak nuclear force
Photoelectric effect
Angular velocity
Law of conservation of energy
33. 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.
Radiation
Magnetic flux
Concave lens
Translational motion
34. A form of vector multiplication - where two vectors are multiplied to produce a third vector. The cross product of two vectors - A and B - separated by an angle - - is - where is a unit vector perpendicular to both A and B. To deine which direction
Angular momentum
Cross product
Boiling point
Conservation of Angular Momentum
35. The number - N - of neutrons in an atomic nucleus.
Celsius
Boyle's Law
Neutron number
System
36. 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).
Optics
Inclined plane
Moment of inertia
Crest
37. 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.
Temperature
Elastic collision
Convex mirror
Total internal reflection
38. A rigid body's resistance to being rotated. The moment of inertia for a single particle is MR2 - where M is the mass of the rigid body and R is the distance to the rotation axis. For rigid bodies - calculating the moment of inertia is more complicate
Moment of inertia
Angular momentum
Compression
Lenz's Law
39. A small particle-like bundle of electromagnetic radiation.
Photon
Basis vector
Magnification
Activity
40. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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41. The amount of error that's possible in a given measurement.
Margin of error
Convex mirror
Work-energy theorem
Gravitational Potential Energy
42. 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.
Latent heat of fusion
Diffraction grating
Conservation of momentum
Angular acceleration
43. 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
Sublimation
Electromagnetic induction
Collision
Mass
44. The gravitational force exerted on a given mass.
Mass
Weight
Free
Sound
45. The energy associated with the configuration of bodies attracted to each other by the gravitational force. It is a measure of the amount of work necessary to get the two bodies from a chosen point of reference to their present position. This point of
Alpha decay
Kinetic energy
Gravitational Potential Energy
Dispersion
46. Heat transfer via electromagnetic waves.
Basis vector
Radiation
Efficiency
Period
47. The amount heat necessary to cause a substance to undergo a phase transition.
Latent heat of transformation
Temperature
Normal
Photoelectron
48. In an interference or diffraction pattern - the places where there is the least light.
Photoelectric effect
Minima
Uncertainty principle
Zeroth Law of Thermodynamics
49. A constant in the numerator of a formula.
Michelson-Morley experiment
Coefficient of linear expansion
Kinetic energy
Constant of proportionality
50. A conserved scalar quantity associated with the state or condition of an object or system of objects. We can roughly define energy as the capacity for an object or system to do work. There are many different types of energy - such as kinetic energy -
Pascals
Tangent
Energy
Traveling waves