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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 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
Quark
Alpha particle
Third Law of Thermodynamics
2. A model for the atom developed in 1913 by Niels Bohr. According to this model - the electrons orbiting a nucleus can only orbit at certain particular radii. Excited electrons may jump to a more distant radii and then return to their ground state - em
Hypotenuse
Tangent
Bohr atomic model
Refraction
3. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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4. When dealing with reflection or refraction - the incident ray is the ray of light before it strikes the reflecting or refracting surface.
Temperature
Moment of inertia
Incident ray
Work function
5. An object cannot be cooled to absolute zero.
Third Law of Thermodynamics
Direction
Bohr atomic model
Translational motion
6. If a line is drawn from the sun to the planet - then the area swept out by this line in a given time interval is constant.
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7. 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
Concave mirror
Kinetic theory of gases
Spectroscope
Electronvolt
8. The angle between a refracted ray and the line normal to the surface.
Potential energy
Displacement
Transformer
Angle of refraction
9. 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
Heat engine
Thermal equilibrium
Critical angle
10. Heat transfer via electromagnetic waves.
Radiation
Weber
Melting point
Newton's Law of Universal Gravitation
11. The coefficient of static friction - for two materials is the constant of proportionality between the normal force and the maximum force of static friction. It is always a number between zero and one.
Coefficient of static friction
Trough
Equilibrium
Zeroth Law of Thermodynamics
12. The two shorter sides of a right triangle that meet at the right angle.
Angular acceleration
Force
Normal force
Legs
13. The point of a mirror or lens where all light that runs parallel to the principal axis will be focused. Concave mirrors and convex lenses are designed to focus light into the focal point. Convex mirrors and concave lenses focus light away from the fo
Melting point
Magnification
Focal point
Electromagnetic spectrum
14. The points midway between nodes on a standing wave - where the oscillations are largest.
Wave
Antinode
Angular momentum
Third Law of Thermodynamics
15. The tendency of an object to remain at a constant velocity - or its resistance to being accelerated. Newton's First Law is alternatively called the Law of Inertia because it describes this tendency.
Angle of incidence
Radian
Angular frequency
Inertia
16. 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.
Alpha particle
Boiling point
Transverse waves
Normal
17. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Vector
Wave
Proton
Critical angle
18. The disorder of a system.
Centripetal force
Entropy
Pressure
Speed
19. The ray of light that is reflected from a mirror or other reflecting surface.
Inertia
Photoelectron
Kinetic energy
Reflected ray
20. Another word for the frequency of a sound wave.
Pitch
Boyle's Law
Photoelectric effect
Isolated system
21. A transfer of thermal energy from one system to another.
System
Kepler's First Law
Right-hand rule
Heat transfer
22. The ratio of the size of the image produced by a mirror or lens to the size of the original object. This number is negative if the image is upside-down.
Bohr atomic model
Magnification
Convex lens
Alpha particle
23. The energy stored in a thermodynamic system.
Internal energy
Newton's Second Law
Loudness
Radiation
24. 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.
Right-hand rule
Index of refraction
Zeroth Law of Thermodynamics
Reflection
25. A collision in which both kinetic energy and momentum are conserved.
Kinetic theory of gases
Harmonic series
Temperature
Elastic collision
26. 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.
Moment of inertia
Nuclear fusion
Constant of proportionality
Elastic collision
27. The center of a mirror or lens.
Vertex
Concave mirror
Weightlessness
Transverse waves
28. 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.
Nuclear fission
Mass defect
Cosine
Sublimation
29. An object that retains its overall shape - meaning that the particles that make up the rigid body stay in the same position relative to one another.
Rigid body
Translational motion
Angular frequency
Antinode
30. The bending of light as it passes from one medium to another. Light refracts toward the normal when going from a less dense medium into a denser medium and away from the normal when going from a denser medium into a less dense medium.
Radiation
Longitudinal waves
Refraction
Simple harmonic oscillator
31. For a gas held at constant pressure - temperature and volume are directly proportional.
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32. The units of frequency - defined as inverse-seconds (1 Hz = 1 s-1). "Hertz" can be used interchangeably with "cycles per second."
Hertz (Hz)
Displacement
Concave lens
Significant digits
33. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Conservation of momentum
Nuclear fission
Decibel
Minima
34. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
Radiation
Vector
Joule
Electromagnetic wave
35. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Fundamental
Weber
Pulley
Node
36. When a solid - liquid - or gas changes into another phase of matter.
Maxima
Phase change
Beats
Coherent light
37. The amount of error that's possible in a given measurement.
Gamma ray
Angular position
Margin of error
Electric generator
38. 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.
Photon
Bohr atomic model
Kinematic equations
Uncertainty principle
39. A collision in which the colliding particles stick together.
Center of curvature
Pulley
Completely inelastic collision
Nuclear fission
40. Heat transfer by molecular collisions.
Conduction
Vertex
Newton
Atomic number
41. 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.
Magnitude
Law of reflection
Newton's Second Law
Photoelectron
42. 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.
Weightlessness
Radius of curvature
Legs
Kinetic friction
43. The energy of the molecules that make up an object. It is related to heat - which is the amount of energy transferred from one object to another object that is a different temperature.
Transverse waves
Reflect
Thermal energy
Entropy
44. A unit of measurement for energy on atomic levels. 1 eV = J.
Heat engine
Electronvolt
Hooke's Law
Moment of inertia
45. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Zeroth Law of Thermodynamics
Radioactivity
Magnetic flux
Free
46. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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47. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Radiation
Impulse
Coefficient of linear expansion
Threshold frequency
48. 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.
Weber
Total internal reflection
Lenz's Law
Latent heat of vaporization
49. The state of a nonrotating object upon whom the net torque acting is zero.
Equilibrium
Compression
Work
Vector
50. 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
Momentum
Diffraction
Latent heat of vaporization