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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 pulley is a simple machine that consists of a rope that slides around a disk or block.
Sound
Weightlessness
Pulley
Universal gas constant
2. The effect of force on rotational motion.
Hooke's Law
Torque
Diffraction
Period
3. In an interference or diffraction pattern - the places where there is the most light.
Spectroscope
Refraction
Maxima
Static friction
4. A conserved scalar quantity associated with the state or condition of an object or system of objects. We can roughly define energy as the capacity for an object or system to do work. There are many different types of energy - such as kinetic energy -
Energy
Specific heat
Mass defect
Kinematics
5. The model of the atom according to which negatively charged electrons orbit a positively charged nucleus. This model was developed by Ernest Rutherford in light of the results from his gold foil experiment.
Lenz's Law
Rutherford nuclear model
Alpha particle
Electronvolt
6. 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.
Mole
Nuclear fusion
Rigid body
Translational motion
7. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Cosine
Crest
Harmonic series
Sublimation
8. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Dispersion
Diffraction grating
Nucleus
Dynamics
9. A form of radioactivity where an excited atom releases a photon of gamma radiation - thereby returning to a lower energy state. The atomic structure itself does not change in the course of gamma radiation.
Gamma decay
Boiling point
Chain reaction
Node
10. 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.
Tip
Temperature
Quark
Cosine
11. A negatively charged particle that orbits the nucleus of the atom.
Electron
Photon
Instantaneous velocity
Optics
12. The separation of different color light via refraction.
Ground state
Virtual image
Dispersion
Inertial reference frame
13. 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.
Crest
Photoelectric effect
Basis vector
Medium
14. The phenomenon of light bouncing off a surface - such as a mirror.
Reflection
Polarization
Michelson-Morley experiment
Angular period
15. A process that aligns a wave of light to oscillate in one dimension rather than two.
Inelastic collision
Radioactive decay
Strong nuclear force
Polarization
16. The study of the properties of visible light - i.e. - the portion of the electromagnetic spectrum with wavelengths between 360 and 780 nm (1 nm = m/s).
Optics
Law of conservation of energy
Frequency
Angle of reflection
17. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Radioactive decay
Efficiency
Atom
Equilibrium position
18. The property by which a changing current in one coil of wire induces an emf in another.
Spring constant
Mutual Induction
Ground state
Internal energy
19. 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.
Activity
Radioactivity
Index of refraction
Nuclear fusion
20. 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.
Newton
Collision
Weak nuclear force
Isotope
21. A vector quantity defined as the rate of change of the velocity vector with time.
Translational motion
Centripetal force
Pitch
Acceleration
22. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Standing wave
Decibel
Angular period
Velocity
23. 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
Compression
Work function
Direction
Angular displacement
24. 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.
Efficiency
Total internal reflection
Weightlessness
Lenz's Law
25. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Proton
Reflected ray
Kinetic energy
Restoring force
26. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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27. The amount of heat necessary to transform a solid at a given temperature into a liquid of the same temperature - or the amount of heat needed to be removed from a liquid of a given temperature to transform it into a solid of the same temperature.
Convection
Celsius
Latent heat of fusion
Momentum
28. A unit vector is a vector with length 1.
Tail
Fundamental
Wave
Unit vector
29. 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.
Angular acceleration
Gamma decay
Convection
Latent heat of sublimation
30. 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.
Heat
Electronvolt
Radioactivity
Third Law of Thermodynamics
31. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Work function
Wavelength
Harmonic series
Centripetal force
32. 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.
Instantaneous velocity
Loudness
Rigid body
Dynamics
33. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Pascals
Gravitational constant
Threshold frequency
Compression
34. For a gas held at constant pressure - temperature and volume are directly proportional.
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35. The energy stored in a thermodynamic system.
Latent heat of sublimation
Instantaneous velocity
Beta decay
Internal energy
36. Two quantities are inversely proportional if an increase in one results in a proportional decrease in the other - and a decrease in one results in a proportional increase in the other. In a formula defining a certain quantity - those quantities to wh
Pendulum
Focal length
Inversely proportional
Heat engine
37. A scalar quantity that tells us how fast an object is moving. It measures the rate of change in distance over time. Speed is to be contrasted with velocity in that there is no direction associated with speed.
Impulse
Speed
Kepler's Second Law
Phase change
38. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.
Centripetal force
Atomic number
Angular period
Conservation of momentum
39. A device that converts mechanical energy to electrical energy by rotating a coil in a magnetic field; sometimes called a "dynamo."
Decibel
Kinetic theory of gases
Total internal reflection
Electric generator
40. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Kinetic theory of gases
Spectroscope
Tail
Radiation
41. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Kelvin
Critical angle
Charles's Law
Third Law of Thermodynamics
42. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Node
Alpha decay
Conservation of momentum
Radius of curvature
43. The velocity at any given instant in time. To be contrasted with average velocity - which is a measure of the change in displacement over a given time interval.
Instantaneous velocity
Momentum
Convection
Electromagnetic spectrum
44. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Equilibrium position
Faraday's Law
Celsius
Nucleus
45. A constant - J · s - which is useful in quantum physics. A second constant associated with Planck's constant is .
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46. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Weak nuclear force
Phase change
Index of refraction
Mechanical energy
47. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Electromagnetic spectrum
Reflect
Threshold frequency
Traveling waves
48. 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.
Tail
Coefficient of static friction
Phase
Work
49. The gravitational force exerted on a given mass.
Newton's Law of Universal Gravitation
Real image
Mass defect
Weight
50. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Incident ray
Minima
Coefficient of linear expansion
Bohr atomic model