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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 disorder of a system.
Spring constant
Angle of refraction
Coefficient of static friction
Entropy
2. 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
3. A unit of measurement for energy on atomic levels. 1 eV = J.
Center of mass
Electronvolt
Angular frequency
Kepler's First Law
4. A principle derived by Werner Heisenberg in 1927 that tells us that we can never know both the position and the momentum of a particle at any given time.
Heat transfer
Uncertainty principle
Hypotenuse
Doppler shift
5. The stable position of a system where the net force acting on the object is zero.
Nuclear fission
Equilibrium position
Period
Beta particle
6. Waves produced by a source that is moving with respect to the observer will seem to have a higher frequency and smaller wavelength if the motion is towards the observer - and a lower frequency and longer wavelength if the motion is away from the obse
Electric generator
Acceleration
Doppler shift
Oscillation
7. The net change - - in a point's angular position - . It is a scalar quantity.
Kelvin
Centripetal acceleration
Concave mirror
Angular displacement
8. When dealing with reflection or refraction - the incident ray is the ray of light before it strikes the reflecting or refracting surface.
Newton's Law of Universal Gravitation
Total internal reflection
Universal gas constant
Incident ray
9. An area of high air pressure that acts as the wave trough for sound waves. The spacing between successive rarefactions is the wavelength of sound - and the number of successive areas of rarefaction that arrive at the ear per second is the frequency -
Free
Rarefaction
Antinode
Impulse
10. A vector quantity defined as the product of the force acting on a body multiplied by the time interval over which the force is exerted.
Rarefaction
Angular position
Impulse
Newton's First Law
11. 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
12. The velocity at any given instant in time. To be contrasted with average velocity - which is a measure of the change in displacement over a given time interval.
Cosine
Strong nuclear force
Instantaneous velocity
Weight
13. 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.
Newton's Third Law
Phase change
Latent heat of fusion
Lenz's Law
14. The lowest theoretical temperature a material can have - where the molecules that make up the material have no kinetic energy. Absolute zero is reached at 0 K or -273º C.
Absolute zero
Mass defect
Standing wave
Transformer
15. The points midway between nodes on a standing wave - where the oscillations are largest.
Significant digits
Incident ray
Antinode
Equilibrium position
16. 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
Refracted ray
Medium
Melting point
Angular position
17. 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.
Meson
Angular position
System
Angular acceleration
18. In reference to oscillation - amplitude is the maximum displacement of the oscillator from its equilibrium position. Amplitude tells how far an oscillator is swinging back and forth. In periodic motion - amplitude is the maximum displacement in each
Translational motion
Meson
Amplitude
Frictional force
19. The principle stating that for any isolated system - linear momentum is constant with time.
Melting point
Real image
Conservation of momentum
Rarefaction
20. An experiment in 1879 that showed that the speed of light is constant to all observers. Einstein used the results of this experiment as support for his theory of special relativity.
Elastic collision
Superposition
Pendulum
Michelson-Morley experiment
21. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Traveling waves
Latent heat of sublimation
Mutual Induction
Kelvin
22. A collision in which the colliding particles stick together.
Velocity
Completely inelastic collision
Work-energy theorem
Melting point
23. The unit of magnetic flux - equal to one T · m2.
Trough
Radiation
Weber
Amplitude
24. 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.
Traveling waves
Angular period
Critical angle
Optics
25. The motion of a body in a circular path with constant speed.
Law of reflection
Translational kinetic energy
Uniform circular motion
Trough
26. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Angular frequency
Newton's Second Law
Weak nuclear force
Equilibrium position
27. A collision in which momentum is conserved but kinetic energy is not.
Work-energy theorem
Inelastic collision
Antinode
Tip
28. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Electromagnetic induction
Magnification
Free
Inelastic collision
29. The reaction force of the ground - a table - etc. - when an object is placed upon it. The normal force is a direct consequence of Newton's Third Law: when an object is placed on the ground - the ground pushes back with the same force that it is pushe
Virtual image
Joule
Vertex
Normal force
30. The effect of force on rotational motion.
De Broglie wavelength
Gamma decay
Collision
Torque
31. The gravitational force exerted on a given mass.
Antinode
Heat transfer
Law of conservation of energy
Weight
32. Heat transfer by molecular collisions.
Pitch
Inelastic collision
Conduction
Hertz (Hz)
33. The property of a vector that distinguishes it from a scalar: while scalars have only a magnitude - vectors have both a magnitude and a direction. When graphing vectors in the xy-coordinate space - direction is usually given by the angle measured cou
Radian
Direction
Angular velocity
Inertia
34. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Magnification
Kepler's Third Law
Kepler's First Law
Loudness
35. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Magnitude
Legs
Neutron
Energy
36. 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
Speed
Centripetal force
Vertex
Component
37. The series of standing waves supported by a string with both ends tied down. The first member of the series - called the fundamental - has two nodes at the ends and one anti-node in the middle. The higher harmonics are generated by placing an integra
Harmonic series
Reflect
Nuclear fusion
Node
38. A back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Oscillation
Electromagnetic spectrum
Tension force
Equilibrium
39. 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
Second Law of Thermodynamics
Frictional force
Coefficient of static friction
40. 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.
Significant digits
Mass number
Translational motion
Refraction
41. 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
Minima
Potential energy
Equilibrium position
Velocity
42. A wavelength - given by = h/mv - which is associated with matter. Louis de Broglie proposed the idea that matter could be treated as waves in 1923 and applied this theory successfully to small particles like electrons.
De Broglie wavelength
Centripetal force
Fundamental
Electron
43. An object is called radioactive if it undergoes radioactive decay.
Rarefaction
Radioactivity
Transformer
Normal force
44. 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.
45. The number of hydrogen atoms in one gram of hydrogen - equal to . When counting the number of molecules in a gas - it is often convenient to count them in moles.
Latent heat of transformation
Tangent
Proton
Mole
46. A measurement of a body's inertia - or resistance to being accelerated.
Focal point
Mass
Orbit
Rotational kinetic energy
47. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Angular velocity
Hertz (Hz)
Sound
Beta particle
48. When a solid - liquid - or gas changes into another phase of matter.
Photoelectric effect
Kepler's Third Law
Phase change
Thermal equilibrium
49. In an interference or diffraction pattern - the places where there is the most light.
Inertial reference frame
Dot product
Calorie
Maxima
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 -
Hertz (Hz)
Free
Energy
Angular acceleration