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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. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Neutrino
Wave
Michelson-Morley experiment
Weber
2. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Normal
Free
Sound
First Law of Thermodynamics
3. A mirror that is curved such that its center is closer to the viewer than the edges - such as a doorknob. Convex mirrors reflect light away from a focal point.
Impulse
Convex mirror
Reflected ray
Transformer
4. 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
Inertial reference frame
Concave mirror
Angle of reflection
Concave lens
5. The angle between a reflected ray and the normal.
Angle of reflection
Normal force
Angular acceleration
Sublimation
6. The force between two surfaces moving relative to one another. The frictional force is parallel to the plane of contact between the two objects and in the opposite direction of the sliding object's motion.
Boiling point
Kinetic friction
Alpha decay
Heat transfer
7. The current induced in a circuit by a change in magnetic flux.
Period
Focal point
Induced current
Uncertainty principle
8. The disorder of a system.
Boiling point
Entropy
Newton's Third Law
Beta decay
9. 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.
Threshold frequency
Temperature
Concave lens
Virtual image
10. 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.
Destructive interference
Photoelectric effect
Temperature
Electromagnetic wave
11. A vector quantity - - that reflects the change of angular displacement with time - and is typically given in units of rad/s. To find the direction of the angular velocity vector - take your right hand and curl your fingers along the particle or body
Angular velocity
Gamma ray
Electron
Coefficient of volume expansion
12. 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
Law of reflection
Calorie
Potential energy
Energy
13. The phenomenon of light bouncing off a surface - such as a mirror.
Energy
Reflection
First Law of Thermodynamics
Thermal energy
14. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Activity
Weight
Radian
Joule
15. A vector quantity - or vector - is an object possessing - and fully described by - a magnitude and a direction. Graphically a vector is depicted as an arrow with its magnitude given by the length of the arrow and its direction given by where the arro
Sine
Newton's Second Law
Vector
Hertz (Hz)
16. The separation of different color light via refraction.
Trough
Torque
Completely inelastic collision
Dispersion
17. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.
Loudness
Distance
Neutron number
Conservation of Angular Momentum
18. The ray of light that is refracted through a surface into a different medium.
Law of conservation of energy
Refracted ray
Total internal reflection
Kepler's Second Law
19. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Uncertainty principle
Angle of refraction
Refraction
Pascals
20. Light such that all of the associated waves have the same wavelength and are in phase.
Coherent light
Newton's Second Law
Margin of error
Thermal energy
21. An object is called radioactive if it undergoes radioactive decay.
Radioactivity
Refracted ray
Angular position
Compression
22. For a gas held at constant pressure - temperature and volume are directly proportional.
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23. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Pressure
Electron
Zeroth Law of Thermodynamics
Gamma decay
24. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Oscillation
Proton
Zeroth Law of Thermodynamics
Calorie
25. The speed at which a wave crest or trough propagates. Note that this is not the speed at which the actual medium (like the stretched string or the air particles) moves.
Angle of refraction
Wave speed
Directly proportional
Rigid body
26. The force of gravity - F - between two particles of mass and - separated by a distance r - has a magnitude of - where G is the gravitational constant. The force is directed along the line joining the two particles.
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27. 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 -
Snell's Law
Compression
Mechanical energy
Photon
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.
Mechanical energy
Angular velocity
Velocity
Translational kinetic energy
29. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Loudness
Kepler's Third Law
Electron
Thermal equilibrium
30. Two oscillators that have the same frequency and amplitude - but reach their maximum displacements at different times - are said to have different phases. Similarly - two waves are in phase if their crests and troughs line up exactly - and they are o
Induced current
Phase
Energy
Power
31. 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.
Alpha decay
Pendulum
Entropy
Law of reflection
32. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Work function
Radius of curvature
Pendulum
Heat
33. 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.
Centripetal acceleration
First Law of Thermodynamics
Absolute zero
Isotope
34. Indicates how "bouncy" or "stiff" a spring is. More specifically - the spring constant - k - is the constant of proportionality between the restoring force exerted by the spring - and the spring's displacement from equilibrium. The greater the value
Thermal equilibrium
Spring constant
Center of curvature
Refracted ray
35. The motion of a body in a circular path with constant speed.
Electronvolt
Beta decay
Impulse
Uniform circular motion
36. Heat transfer via the mass movement of molecules.
Convection
Heat
Rarefaction
Atomic number
37. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Angular velocity
Magnetic flux
Inclined plane
Kinematics
38. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Kepler's Second Law
Standing wave
Loudness
Spring
39. Two quantities are directly proportional if an increase in one results in a proportional increase in the other - and a decrease in one results in a proportional decrease in the other. In a formula defining a certain quantity - those quantities to whi
Directly proportional
Medium
Kinetic friction
Convection
40. The energy of a particle rotating around an axis.
Electric generator
Inversely proportional
Temperature
Rotational kinetic energy
41. 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.
Principal axis
Atomic number
Real image
Radius of curvature
42. The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Reflected ray
Kinematic equations
Angular velocity
Weber
43. A form of vector multiplication - where two vectors are multiplied to produce a scalar. The dot product of two vectors - A and B - is expressed by the equation A · B = AB cos .
Dot product
Beta decay
Planck's constant
Wavelength
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
Newton's Second Law
Inversely proportional
Component
Speed
45. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Proton
Kinetic energy
Electromagnetic wave
Moment of inertia
46. 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.
Angular position
Angular acceleration
Deposition
Angular velocity
47. The number of cycles executed by a system in one second. Frequency is the inverse of period - f = 1/T. Frequency is measured in hertz - Hz.
Isotope
Nuclear fission
Frequency
Strong nuclear force
48. In oscillation - a cycle occurs when an object undergoing oscillatory motion completes a "round-trip." For instance - a pendulum bob released at angle has completed one cycle when it swings to and then back to again. In period motion - a cycle is the
Conduction
Refraction
Proton
Cycle
49. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Angle of reflection
First Law of Thermodynamics
Work function
Pitch
50. A constant - - not to be confused with wavelength - that defines the speed at which a radioactive element undergoes decay. The greater is - the faster the element decays.
Antinode
Decay constant
Latent heat of sublimation
First Law of Thermodynamics