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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 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
Bohr atomic model
Right-hand rule
Kinetic theory of gases
Deposition
2. 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.
Spectroscope
Angular frequency
Electromagnetic induction
Coefficient of linear expansion
3. A unit of measurement for energy on atomic levels. 1 eV = J.
Electromagnetic induction
Latent heat of fusion
Tail
Electronvolt
4. 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.
Minima
Quark
Kinetic theory of gases
Traveling waves
5. An object cannot be cooled to absolute zero.
Period
Third Law of Thermodynamics
Convex mirror
Constant of proportionality
6. The two shorter sides of a right triangle that meet at the right angle.
Rutherford nuclear model
Electron
Legs
Celsius
7. The points midway between nodes on a standing wave - where the oscillations are largest.
Law of conservation of energy
Inversely proportional
Second Law of Thermodynamics
Antinode
8. The separation of different color light via refraction.
Dispersion
Sublimation
Node
Kinematics
9. 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.
Static friction
Reflect
Mass number
Velocity
10. 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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11. The force between two surfaces that are not moving relative to one another. The force of static friction is parallel to the plane of contact between the two objects and resists the force pushing or pulling on the object.
Superposition
Gold foil experiment
Weightlessness
Static friction
12. The acceleration of a body experiencing uniform circular motion. This acceleration is always directed toward the center of the circle.
Centripetal acceleration
Thermal energy
Period
Hertz (Hz)
13. 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
Beta particle
Michelson-Morley experiment
Gravitational constant
Displacement
14. When an object is held in circular motion about a massive body - like a planet or a sun - due to the force of gravity - that object is said to be in orbit. Objects in orbit are in perpetual free fall - and so are therefore weightless.
Orbit
Coefficient of static friction
Melting point
Thermal equilibrium
15. 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.
Center of curvature
Ideal gas law
Rotational motion
Entropy
16. A rough approximation of how gases work - that is quite accurate in everyday conditions. According to the kinetic theory - gases are made up of tiny - round molecules that move about in accordance with Newton's Laws - and collide with one another and
Beats
Weightlessness
Radioactive decay
Kinetic theory of gases
17. The emf created by the motion of a charge through a magnetic field.
Motional emf
Latent heat of fusion
Frictional force
Reflect
18. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Activity
Kinetic energy
Sound
Refraction
19. The time - T - required for a rigid body to complete one revolution.
Photon
Angular period
Law of reflection
Kinetic theory of gases
20. The amount heat necessary to cause a substance to undergo a phase transition.
Latent heat of transformation
Pendulum
Specific heat
Rotational kinetic energy
21. 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.
Coefficient of static friction
Newton's Second Law
Conservation of momentum
Kinetic theory of gases
22. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Sound
Transverse waves
Heat
Angle of incidence
23. The number - N - of neutrons in an atomic nucleus.
Equilibrium
Amplitude
Temperature
Neutron number
24. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Radiation
Hooke's Law
Proton
Traveling waves
25. A number - Z - associated with the number of protons in the nucleus of an atom. Every element can be defined in s of its atomic number - since every atom of a given element has the same number of protons.
Coherent light
Michelson-Morley experiment
Atomic number
Isolated system
26. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Node
Margin of error
Atomic number
Work function
27. 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
Angular acceleration
Momentum
Newton's Law of Universal Gravitation
28. The energy of a particle moving in space. It is defined in s of a particle's mass - m - and velocity - v - as (1/2)mv2.
Translational kinetic energy
Law of reflection
Temperature
Constant of proportionality
29. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Critical angle
Destructive interference
Coefficient of volume expansion
Decibel
30. 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.
Center of mass
Deposition
Angular acceleration
Frictional force
31. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Rarefaction
Gravitational Potential Energy
Sublimation
Charles's Law
32. 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
Photoelectric effect
Mutual Induction
Latent heat of transformation
Principal axis
33. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Boiling point
Boyle's Law
Translational kinetic energy
Alpha decay
34. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Quark
Kepler's Second Law
Momentum
Neutrino
35. The experience of being in free fall. If you are in a satellite - elevator - or other free-falling object - then you have a weight of zero Newtons relative to that object.
Weightlessness
Uniform circular motion
Heat transfer
Amplitude
36. 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.
Phase
Angular position
Amplitude
Weak nuclear force
37. With spherical mirrors - the center of the sphere of which the mirror is a part. All of the normals pass through it.
Amplitude
Tip
Center of curvature
Meson
38. An image created by a mirror or lens in such a way that light does actually come from where the image appears to be. If you place a screen in front of a real image - the image will be projected onto the screen.
Real image
Snell's Law
Latent heat of vaporization
Compression
39. 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
Kelvin
Latent heat of transformation
Distance
Angle of reflection
40. The cancellation of one wave by another wave that is exactly out of phase with the first. Despite the dramatic name of this phenomenon - nothing is "destroyed" by this interference—the two waves emerge intact once they have passed each other.
Distance
Harmonic series
Maxima
Destructive interference
41. The temperature at which a material will change phase from solid to liquid or liquid to solid.
Newton's Second Law
Faraday's Law
Melting point
Spring constant
42. A quantity that possesses a magnitude but not a direction. Mass and length are common examples.
Scalar
Internal energy
Kinematic equations
Ground state
43. The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Constant of proportionality
Translational kinetic energy
Quark
Kinematic equations
44. Any vector can be expressed as the sum of two mutually perpendicular component vectors. Usually - but not always - these components are multiples of the basis vectors - and ; that is - vectors along the x-axis and y-axis. We define these two vectors
Component
Optics
Electronvolt
Boyle's Law
45. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Inertia
Kinetic friction
Restoring force
Frequency
46. An area of high air pressure that acts as the wave crest for sound waves. The spacing between successive compressions is the wavelength of sound - and the number of successive areas of compression that arrive at the ear per second is the frequency -
Dispersion
Activity
Compression
Moment of inertia
47. A process that aligns a wave of light to oscillate in one dimension rather than two.
Critical angle
Polarization
Impulse
Maxima
48. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Law of conservation of energy
Beta decay
Bohr atomic model
Beta particle
49. The current induced in a circuit by a change in magnetic flux.
Induced current
Optics
Latent heat of vaporization
Power
50. 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
Cross product
Latent heat of sublimation
Power
Work function