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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 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.
Instantaneous velocity
Radian
System
Michelson-Morley experiment
2. A negatively charged particle that orbits the nucleus of the atom.
Electromagnetic induction
Electron
Neutron number
Inelastic collision
3. The property by which a charge moving in a magnetic field creates an electric field.
Mass defect
Electromagnetic induction
Angle of reflection
Coefficient of linear expansion
4. A particle - which consists of two protons and two neutrons. It is identical to the nucleus of a helium atom and is ejected by heavy particles undergoing alpha decay.
Photon
Spring constant
Inertia
Alpha particle
5. 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
Isotope
Normal force
Tip
Cosine
6. The line perpendicular to a surface. There is only one normal for any given surface.
Normal
Quark
Snell's Law
Pulley
7. 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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8. 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
Strong nuclear force
Kinetic theory of gases
Heat transfer
Inversely proportional
9. When a solid - liquid - or gas changes into another phase of matter.
Optics
Mass number
Induced current
Phase change
10. The angle between a refracted ray and the line normal to the surface.
Convex mirror
Sine
Standing wave
Angle of refraction
11. 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.
Nuclear fission
Beats
Atomic number
Efficiency
12. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
Joule
Proton
Equilibrium position
Weak nuclear force
13. A collision in which the colliding particles stick together.
Cross product
Beta particle
Coefficient of static friction
Completely inelastic collision
14. The line that every particle in the rotating rigid body circles about.
Celsius
Tail
Axis of rotation
Thermal equilibrium
15. There are a few versions of this law. One is that heat flows spontaneously from hot to cold - but not in the reverse direction. Another is that there is no such thing as a 100% efficient heat engine. A third states that the entropy - or disorder - of
Second Law of Thermodynamics
Meson
Entropy
Sine
16. 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.
Focal length
Uncertainty principle
Center of mass
Equilibrium
17. A class of elementary particle whose mass is between that of a proton and that of an electron. A common kind of meson is the pion.
Magnetic flux
Meson
Latent heat of transformation
De Broglie wavelength
18. 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.
Legs
Kinetic friction
Atom
Kelvin
19. 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.
Transverse waves
Period
Potential energy
Velocity
20. 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.
Convex mirror
Elastic collision
Equilibrium
Internal energy
21. The experience of being in free fall. If you are in a satellite - elevator - or other free-falling object - then you have a weight of zero Newtons relative to that object.
Work-energy theorem
Reflect
Phase change
Weightlessness
22. A unit of measurement for energy on atomic levels. 1 eV = J.
Weak nuclear force
Loudness
Electronvolt
Axis of rotation
23. A form of radioactive decay where a heavy element emits an alpha particle and some energy - thus transforming into a lighter - more stable - element.
Zeroth Law of Thermodynamics
Incident ray
Alpha decay
Directly proportional
24. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Angle of refraction
Decibel
Radioactivity
Threshold frequency
25. The straight line that runs through the focal point and the vertex of a mirror or lens.
Fundamental
Lenz's Law
Principal axis
Focal point
26. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Incident ray
Beta particle
Neutron
Michelson-Morley experiment
27. 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
Potential energy
Inversely proportional
Heat engine
Coefficient of kinetic friction
28. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Quark
Tension force
Weak nuclear force
Kelvin
29. 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.
Rigid body
Angular position
Michelson-Morley experiment
Focal point
30. 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.
Threshold frequency
Basis vector
Kepler's Second Law
Uncertainty principle
31. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Electromagnetic induction
Dispersion
Deposition
Inclined plane
32. Light such that all of the associated waves have the same wavelength and are in phase.
Uniform circular motion
Latent heat of fusion
Translational motion
Coherent light
33. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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34. A quantity that possesses a magnitude but not a direction. Mass and length are common examples.
Temperature
Normal force
Scalar
Sine
35. The points of maximum negative displacement along a wave. They are the opposite of wave crests.
Wave speed
Angular displacement
Impulse
Trough
36. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Medium
Displacement
Pascals
Convex lens
37. The property by which a changing current in one coil of wire induces an emf in another.
Angle of reflection
Law of conservation of energy
Mutual Induction
Restoring force
38. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Radioactivity
Quark
Dynamics
Concave mirror
39. The distance between the focal point and the vertex of a mirror or lens. For concave mirrors and convex lenses - this number is positive. For convex mirrors and concave lenses - this number is negative.
Focal length
Boiling point
Heat
Weak nuclear force
40. The force that binds protons and neutrons together in the atomic nucleus.
Moment of inertia
Strong nuclear force
Neutron
Angular position
41. 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.
Isolated system
Diffraction
Momentum
Dispersion
42. An object is called radioactive if it undergoes radioactive decay.
Refracted ray
Radioactivity
Phase
Kepler's First Law
43. An image created by a mirror or lens in such a way that light does not actually come from where the image appears to be.
Virtual image
Newton's Second Law
Kepler's First Law
Mass
44. A measurement of a body's inertia - or resistance to being accelerated.
Mass
Center of curvature
Uniform circular motion
Kinematics
45. The phenomenon by which light traveling from a high n to a low n material will reflect from the optical interface if the incident angle is greater than the critical angle.
Total internal reflection
Node
Conservation of Angular Momentum
Optics
46. A constant in the numerator of a formula.
Constant of proportionality
Nucleus
Destructive interference
Electromagnetic induction
47. 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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48. 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
Melting point
Kinetic theory of gases
Phase
Directly proportional
49. With spherical mirrors - the center of the sphere of which the mirror is a part. All of the normals pass through it.
Center of curvature
Atomic number
Angular displacement
Orbit
50. In the graphical representation of vectors - the tail of the arrow is the blunt end (the end without a point).
Focal point
Angular acceleration
Pascals
Tail