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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.
Spring
Newton
Pressure
Neutrino
2. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Work-energy theorem
Legs
Pulley
Mass number
3. The emf created by the motion of a charge through a magnetic field.
Angular position
Motional emf
Transverse waves
Angular velocity
4. The sum of a system's potential and kinetic energy. In many systems - including projectiles - pulleys - pendulums - and motion on frictionless surfaces - mechanical energy is conserved. One important type of problem in which mechanical energy is not
Pascals
Mechanical energy
Joule
Michelson-Morley experiment
5. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Decay constant
Tip
Atom
Restoring force
6. The stable position of a system where the net force acting on the object is zero.
Equilibrium position
Radioactivity
Sublimation
Transformer
7. Kinematics is the study and description of the motion of objects.
Kinematics
Convection
Decay constant
Angle of refraction
8. A small particle-like bundle of electromagnetic radiation.
Photon
Kinetic energy
Centripetal force
Mechanical energy
9. A transfer of thermal energy from one system to another.
Simple harmonic oscillator
Rigid body
Diffraction grating
Heat transfer
10. The amount of heat of a material required to raise the temperature of either one kilogram or one gram of that material by one degree Celsius. Different units may be used depending on whether specific heat is measured in s of grams or kilograms - and
Coefficient of static friction
Pulley
Weak nuclear force
Specific heat
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.
Static friction
Photon
Hooke's Law
Reflection
12. 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
First Law of Thermodynamics
Harmonic series
Virtual image
Kepler's First Law
13. 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
Electric generator
Static friction
Cycle
Law of reflection
14. Relates the angle of incidence to the angle of refraction: .
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15. 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
Faraday's Law
Diffraction grating
Sublimation
16. 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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17. A form of radioactive decay where a heavy element emits an alpha particle and some energy - thus transforming into a lighter - more stable - element.
Speed
Inclined plane
Alpha decay
Convex mirror
18. 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
De Broglie wavelength
Unit vector
Inversely proportional
Right-hand rule
19. 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
Axis of rotation
Angular momentum
Pitch
Internal energy
20. 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
Doppler shift
Traveling waves
Electromagnetic wave
Heat
21. The unit of magnetic flux - equal to one T · m2.
Electromagnetic wave
Free
Weber
Tension force
22. 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
Traveling waves
Center of mass
Absolute zero
Amplitude
23. 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.
Magnitude
Frictional force
Tail
Kelvin
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. 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.
Efficiency
Reflect
Angular acceleration
Superposition
26. The amount of heat necessary for a material undergoing sublimation to make a phase change from gas to solid or solid to gas - without a change in temperature.
Component
Standing wave
Latent heat of sublimation
Spring
27. 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.
Angular frequency
Coefficient of static friction
Superposition
Margin of error
28. 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
Angular momentum
Unit vector
Rotational kinetic energy
Displacement
29. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Work function
Directly proportional
Constant of proportionality
Torque
30. Waves that oscillate in the same direction as the propagation of the wave. Sound is carried by longitudinal waves - since the air molecules move back and forth in the same direction the sound travels.
Longitudinal waves
Angular momentum
Component
Hertz (Hz)
31. The constant of proportionality in Newton's Law of Gravitation. It reflects the proportion of the gravitational force and - the product of two particles' masses divided by the square of the bodies' separation. N · m2/kg2.
Gravitational constant
Gold foil experiment
Deposition
Lenz's Law
32. A unit of measurement for energy on atomic levels. 1 eV = J.
Internal energy
Nuclear fusion
Pendulum
Electronvolt
33. 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
Gravitational Potential Energy
Conservation of Angular Momentum
Strong nuclear force
Collision
34. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Amplitude
Isotope
Ground state
Coefficient of linear expansion
35. The time - T - required for a rigid body to complete one revolution.
Latent heat of sublimation
Normal
Beta decay
Angular period
36. The property by which a charge moving in a magnetic field creates an electric field.
Electric generator
Speed
Latent heat of fusion
Electromagnetic induction
37. The cosine of an angle in a right triangle is equal to the length of the side adjacent to the angle divided by the length of the hypotenuse.
Temperature
Cosine
De Broglie wavelength
Radius of curvature
38. The amount of heat necessary to transform a liquid at a given temperature into a gas of the same temperature - or the amount of heat needed to be taken away from a gas of a given temperature to transform it into a liquid of the same temperature.
Coefficient of linear expansion
Harmonic series
Internal energy
Latent heat of vaporization
39. 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
Completely inelastic collision
Constructive interference
Dynamics
Cross product
40. The force that binds protons and neutrons together in the atomic nucleus.
Strong nuclear force
Diffraction grating
Translational kinetic energy
Elastic collision
41. In the graphical representation of vectors - the tail of the arrow is the blunt end (the end without a point).
Constant of proportionality
Tail
Third Law of Thermodynamics
Doppler shift
42. The path of each planet around the sun is an ellipse with the sun at one focus.
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43. 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.
First Law of Thermodynamics
Decay constant
Mass defect
Basis vector
44. 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
Activity
Calorie
Vector
Boiling point
45. 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.
Moment of inertia
Frictional force
Concave lens
Sine
46. 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.
Potential energy
Atomic number
Boiling point
Half
47. A vector quantity defined as the rate of change of the displacement vector with time. It is to be contrasted with speed - which is a scalar quantity for which no direction is specified.
Neutron number
Law of reflection
Entropy
Velocity
48. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Atomic number
Heat transfer
Nucleus
Newton
49. 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
Kinetic theory of gases
Angular acceleration
Newton
Weber
50. Essentially a restatement of energy conservation - it states that the change in the internal energy of a system is equal to the heat added plus the work done on the system.
Normal force
Real image
Calorie
First Law of Thermodynamics
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