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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. F = ma. The net force - F - acting on an object causes the object to accelerate - a. The magnitude of the acceleration is directly proportional to the net force on the object and inversely proportional to the mass - m - of the object.
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2. The time - T - required for a rigid body to complete one revolution.
Proton
Reflect
Angular period
Dot product
3. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Beta particle
Fundamental
Refraction
Calorie
4. The motion of a body in a circular path with constant speed.
Newton's Second Law
Weak nuclear force
Uniform circular motion
Neutron number
5. The energy of a particle rotating around an axis.
Rotational kinetic energy
Internal energy
Spring constant
Angular displacement
6. The amount heat necessary to cause a substance to undergo a phase transition.
Coefficient of kinetic friction
Photon
Inertial reference frame
Latent heat of transformation
7. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Neutron
Coefficient of volume expansion
Heat
Decay constant
8. Heat transfer by molecular collisions.
Oscillation
Coefficient of static friction
Conduction
Cycle
9. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Calorie
Normal
Snell's Law
Thermal energy
10. 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.
Joule
Uncertainty principle
Induced current
Tangent
11. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Inclined plane
Unit vector
Work-energy theorem
Efficiency
12. 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
Completely inelastic collision
Node
Collision
Simple harmonic oscillator
13. The effect of force on rotational motion.
Radiation
Instantaneous velocity
Weber
Torque
14. Waves in which the medium moves in the direction perpendicular to the propagation of the wave. Waves on a stretched string - water waves - and electromagnetic waves are all examples of transverse waves.
Pascals
Transverse waves
Kinematic equations
Antinode
15. The number of digits that have been accurately measured. When combining several measurements in a formula - the resulting calculation can only have as many significant digits as the measurement that has the smallest number of significant digits.
Significant digits
Joule
Medium
Crest
16. A body or set of bodies that we choose to analyze as a group.
System
Radioactive decay
Collision
Angle of reflection
17. 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.
Uniform circular motion
Normal force
Angular frequency
Photoelectron
18. 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.
Conservation of Angular Momentum
Longitudinal waves
Sine
Coefficient of kinetic friction
19. 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
Cross product
Collision
Doppler shift
Margin of error
20. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Coefficient of volume expansion
Kepler's Second Law
Half
Static friction
21. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Newton
Antinode
Bohr atomic model
Dynamics
22. 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
Diffraction
Gravitational Potential Energy
Pendulum
Elastic collision
23. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Electromagnetic spectrum
Power
Kinetic theory of gases
Superposition
24. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Energy
Displacement
Harmonic series
Quark
25. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Deposition
Constant of proportionality
Zeroth Law of Thermodynamics
Critical angle
26. 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
Kinetic theory of gases
Inertial reference frame
Index of refraction
Hypotenuse
27. 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.
Sound
Momentum
Component
Transformer
28. A machine that operates by taking heat from a hot place - doing some work with that heat - and then exhausting the rest of the heat into a cool place. The internal combustion engine of a car is an example of a heat engine.
Magnetic flux
Joule
Radius of curvature
Heat engine
29. 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
Phase
Instantaneous velocity
Pendulum
Bohr atomic model
30. A nuclear reaction that takes place only at very high temperatures. Two light atoms - often hydrogen - fuse together to form a larger single atom - releasing a vast amount of energy in the process.
Nuclear fusion
Torque
Electromagnetic spectrum
Index of refraction
31. 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.
Convex lens
System
Angular acceleration
Coherent light
32. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Radius of curvature
Inclined plane
Vertex
Frictional force
33. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Atom
Convection
Impulse
Pulley
34. 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
Convection
Static friction
Potential energy
Cycle
35. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Conservation of momentum
Crest
Radian
Reflect
36. 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.
Latent heat of vaporization
Thermal energy
Momentum
Zeroth Law of Thermodynamics
37. The process by which unstable nuclei spontaneously release particles and/or energy so as to come to a more stable arrangement. The most common forms of radioactive decay are alpha decay - beta decay - and gamma decay.
Radioactive decay
Pulley
Dot product
Boiling point
38. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
Pascals
Joule
Minima
Trough
39. 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.
Diffraction grating
Pendulum
Normal force
Newton's Third Law
40. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Superposition
Sublimation
Margin of error
Pressure
41. A rigid body's resistance to being rotated. The moment of inertia for a single particle is MR2 - where M is the mass of the rigid body and R is the distance to the rotation axis. For rigid bodies - calculating the moment of inertia is more complicate
Critical angle
Kepler's Second Law
Moment of inertia
Convex lens
42. 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.
Half
Equilibrium
Kinematic equations
Static friction
43. The line perpendicular to a surface. There is only one normal for any given surface.
Kepler's Second Law
Boiling point
Normal
Total internal reflection
44. 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
De Broglie wavelength
Gravitational constant
Directly proportional
Radius of curvature
45. The emf created by the motion of a charge through a magnetic field.
Tail
Minima
Motional emf
Axis of rotation
46. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.
Collision
Absolute zero
Internal energy
Conservation of Angular Momentum
47. 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
Coefficient of static friction
Spring constant
Angle of incidence
Trough
48. For a reflected light ray - . In other words - a ray of light reflects of a surface in the same plane as the incident ray and the normal - and at an angle to the normal that is equal to the angle between the incident ray and the normal.
Thermal energy
Law of reflection
Hooke's Law
Newton's Law of Universal Gravitation
49. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Simple harmonic oscillator
Beats
Significant digits
Charles's Law
50. 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.
Power
Conduction
Mole
Phase change