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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 pendulum consists of a bob connected to a rod or rope. At small angles - a pendulum's motion approximates simple harmonic motion as it swings back and forth without friction.
Pendulum
Isolated system
Frequency
Work function
2. 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.
Sound
Diffraction grating
Kepler's Third Law
Induced current
3. 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.
Inversely proportional
Magnification
Boiling point
Absolute zero
4. When dealing with reflection or refraction - the incident ray is the ray of light before it strikes the reflecting or refracting surface.
Centripetal acceleration
Incident ray
Thermal energy
Convex lens
5. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.
Angular acceleration
Coefficient of linear expansion
Superposition
Convex lens
6. 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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7. The unit of magnetic flux - equal to one T · m2.
Mass
Weber
Coefficient of static friction
Mass number
8. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Pascals
Significant digits
Vertex
Decay constant
9. The bending of light at the corners of objects or as it passes through narrow slits or apertures.
Diffraction
Harmonic series
Threshold frequency
Reflection
10. 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.
Angle of refraction
Rarefaction
Angular position
Distance
11. 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
Wave
Tail
Kinematics
Potential energy
12. A system that no external net force acts upon. Objects within the system may exert forces upon one another - but they cannot receive any impulse from outside forces. Momentum is conserved in isolated systems.
Simple harmonic oscillator
Isolated system
Isotope
Kinetic friction
13. The current induced in a circuit by a change in magnetic flux.
Electron
Maxima
Induced current
Pendulum
14. Heat transfer by molecular collisions.
Pulley
Entropy
Principal axis
Conduction
15. The straight line that runs through the focal point and the vertex of a mirror or lens.
Half
Coherent light
Force
Principal axis
16. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.
Frictional force
Weak nuclear force
Coherent light
Sound
17. A body or set of bodies that we choose to analyze as a group.
Dot product
Trough
System
Kinetic theory of gases
18. In an interference or diffraction pattern - the places where there is the least light.
Compression
Melting point
Minima
Diffraction
19. The stable position of a system where the net force acting on the object is zero.
Mass number
Newton's First Law
Basis vector
Equilibrium position
20. A reference frame in which Newton's First Law is true. Two inertial reference frames move at a constant velocity relative to one another. According to the first postulate of Einstein's theory of special relativity - the laws of physics are the same i
Restoring force
Inertial reference frame
Transformer
Wave
21. 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.
Entropy
Displacement
Coefficient of kinetic friction
Moment of inertia
22. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Newton's Third Law
Newton
Longitudinal waves
System
23. 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.
Boyle's Law
Oscillation
Destructive interference
Trough
24. 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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25. In an interference or diffraction pattern - the places where there is the most light.
Harmonic series
Maxima
Work-energy theorem
Calorie
26. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Latent heat of sublimation
Threshold frequency
Boyle's Law
Inertia
27. The points of maximum negative displacement along a wave. They are the opposite of wave crests.
Translational kinetic energy
Trough
Cross product
Zeroth Law of Thermodynamics
28. 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.
Virtual image
Orbit
Charles's Law
Angular frequency
29. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Pulley
Beta particle
Nucleus
Diffraction
30. 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.
Destructive interference
Equilibrium
Universal gas constant
Ideal gas law
31. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Newton
Deposition
Coefficient of static friction
Isotope
32. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Newton's Law of Universal Gravitation
First Law of Thermodynamics
Proton
Free
33. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Law of conservation of energy
Spectroscope
Conduction
Tip
34. The two shorter sides of a right triangle that meet at the right angle.
Velocity
Restoring force
Rutherford nuclear model
Legs
35. 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.
Half
Velocity
Electromagnetic wave
Kelvin
36. 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
Heat engine
Collision
Calorie
Tip
37. The name of an electron released from the surface of a metal due to the photoelectric effect.
Isotope
Photoelectron
Melting point
Focal point
38. 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
Collision
Gravitational Potential Energy
Angular displacement
Tension force
39. The line that every particle in the rotating rigid body circles about.
Axis of rotation
Center of mass
Tension force
Wave speed
40. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Weightlessness
Magnetic flux
Specific heat
Radian
41. The temperature at which a material will change phase from solid to liquid or liquid to solid.
Third Law of Thermodynamics
Melting point
Inertia
Axis of rotation
42. The phenomenon of light bouncing off a surface - such as a mirror.
Reflection
Gravitational constant
Latent heat of transformation
Neutrino
43. 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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44. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Decibel
Heat engine
Magnitude
Doppler shift
45. The path of each planet around the sun is an ellipse with the sun at one focus.
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46. The separation of different color light via refraction.
Universal gas constant
Dispersion
Superposition
Focal length
47. 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.
Diffraction grating
Free
Momentum
Dynamics
48. Heat transfer via electromagnetic waves.
Focal length
Radiation
Proton
Dispersion
49. Two quantities are inversely proportional if an increase in one results in a proportional decrease in the other - and a decrease in one results in a proportional increase in the other. In a formula defining a certain quantity - those quantities to wh
Motional emf
Inversely proportional
Right-hand rule
Polarization
50. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Dot product
Simple harmonic oscillator
Impulse
Rigid body