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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 particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
System
Coefficient of linear expansion
Beta particle
Weight
2. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Angular acceleration
Angular velocity
Component
Angle of incidence
3. A body or set of bodies that we choose to analyze as a group.
Coefficient of static friction
System
Acceleration
Focal length
4. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Radian
Nuclear fusion
Boiling point
Minima
5. In a right triangle - the tangent of a given angle is the length of the side opposite the angle divided by the length of the side adjacent to the triangle.
Tangent
Quark
Universal gas constant
Torque
6. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.
Conservation of Angular Momentum
Faraday's Law
Loudness
Restoring force
7. 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
Direction
Mass defect
Normal force
Inertia
8. In the Bohr model of the atom - the state in which an electron has the least energy and orbits closest to the nucleus.
Temperature
Mass defect
Ground state
Tip
9. The building blocks of all matter - atoms are made up of a nucleus consisting of protons and neutrons - and a number of electrons that orbit the nucleus. An electrically neutral atom has as many protons as it has electrons.
Atom
Planck's constant
Mechanical energy
Inertia
10. The index of refraction n = c/v of a substance characterizes the speed of light in that substance - v. It also characterizes - by way of Snell's Law - the angle at which light refracts in that substance.
Node
Elastic collision
Loudness
Index of refraction
11. The longest side of a right triangle - opposite to the right angle.
Hypotenuse
Right-hand rule
Magnitude
Electromagnetic spectrum
12. Relates the angle of incidence to the angle of refraction: .
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13. 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.
Radian
Isolated system
Newton's Third Law
Incident ray
14. Kinematics is the study and description of the motion of objects.
Kinematics
Weightlessness
Doppler shift
Traveling waves
15. The name of an electron released from the surface of a metal due to the photoelectric effect.
Refraction
Electric generator
Photoelectron
Mutual Induction
16. 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.
Impulse
Mass defect
Maxima
Radioactive decay
17. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Rarefaction
Universal gas constant
Equilibrium
Weak nuclear force
18. 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.
Angular acceleration
Deposition
Absolute zero
Hooke's Law
19. In a right triangle - the sine of a given angle is the length of the side opposite the angle divided by the length of the hypotenuse.
Sine
Angular frequency
Radius of curvature
Right-hand rule
20. A mirror that is curved such that its center is farther from the viewer than the edges - such as the front of a spoon. Concave mirrors reflect light through a focal point.
Constant of proportionality
Energy
Concave mirror
Frictional force
21. 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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22. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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23. In an interference or diffraction pattern - the places where there is the least light.
Heat engine
Right-hand rule
Minima
Proton
24. A transfer of thermal energy. We don't speak about systems "having" heat - but about their "transferring" heat - much in the way that dynamical systems don't "have" work - but rather "do" work.
Tip
Heat
Isotope
Rigid body
25. 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.
Destructive interference
Cross product
Alpha particle
Inelastic collision
26. Atoms of the same element may have different numbers of neutrons and therefore different masses. Atoms of the same element but with different numbers of neutrons are called isotopes of the same element.
Sublimation
Newton's Law of Universal Gravitation
Scalar
Isotope
27. 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.
Longitudinal waves
Cosine
Real image
Lenz's Law
28. A push or a pull that causes an object to accelerate.
Kinematic equations
Ideal gas law
Completely inelastic collision
Force
29. 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.
Moment of inertia
Gravitational constant
Pendulum
Margin of error
30. 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.
Heat transfer
Magnitude
Centripetal force
Snell's Law
31. The points midway between nodes on a standing wave - where the oscillations are largest.
Kinetic friction
Trough
Antinode
Constructive interference
32. With spherical mirrors - the center of the sphere of which the mirror is a part. All of the normals pass through it.
Loudness
First Law of Thermodynamics
Center of curvature
Heat engine
33. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Speed
Decibel
Diffraction
Traveling waves
34. The property by which a changing current in one coil of wire induces an emf in another.
Superposition
Significant digits
Doppler shift
Mutual Induction
35. A negatively charged particle that orbits the nucleus of the atom.
Electron
Power
Right-hand rule
Pendulum
36. The angle between a refracted ray and the line normal to the surface.
Oscillation
Angle of refraction
Center of mass
Threshold frequency
37. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Isotope
Rotational kinetic energy
Strong nuclear force
Pulley
38. When a solid - liquid - or gas changes into another phase of matter.
Energy
Phase change
Beta decay
Cycle
39. 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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40. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Calorie
Faraday's Law
Directly proportional
Hertz (Hz)
41. 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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42. 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.
Rotational kinetic energy
Latent heat of sublimation
Thermal energy
Strong nuclear force
43. If two systems - A and B - are in thermal equilibrium and if B and C are also in thermal equilibrium - then systems A and C are necessarily in thermal equilibrium.
Instantaneous velocity
Tension force
Zeroth Law of Thermodynamics
Deposition
44. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Tail
Quark
Photon
Newton
45. 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
Spring constant
Weight
Center of mass
Centripetal acceleration
46. The force transmitted along a rope or cable.
Joule
Tension force
Mass defect
Motional emf
47. 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
Heat engine
Moment of inertia
Transformer
Principal axis
48. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Free
Beta particle
Destructive interference
Velocity
49. A vector of magnitude 1 along one of the coordinate axes. Generally - we take the basis vectors to be and - the vectors of length 1 along the x- and y-axes - respectively.
Gravitational Potential Energy
Basis vector
Kinetic friction
Temperature
50. In the graphical representation of vectors - the tail of the arrow is the blunt end (the end without a point).
Focal length
Third Law of Thermodynamics
Celsius
Tail