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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 device made of two coils - which converts current of one voltage into current of another voltage. In a step-up transformer - the primary coil has fewer turns than the secondary - thus increasing the voltage. In a step-down transformer - the seconda
Phase
Dot product
Temperature
Transformer
2. 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.
Latent heat of sublimation
Angular momentum
Efficiency
Motional emf
3. 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.
Cross product
Thermal energy
Angle of refraction
Coefficient of static friction
4. A form of vector multiplication - where two vectors are multiplied to produce a third vector. The cross product of two vectors - A and B - separated by an angle - - is - where is a unit vector perpendicular to both A and B. To deine which direction
Radiation
Boyle's Law
Cross product
Mass number
5. 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
Kinematics
Electromagnetic spectrum
Focal point
Centripetal acceleration
6. The energy of a particle moving in space. It is defined in s of a particle's mass - m - and velocity - v - as (1/2)mv2.
Mass number
Translational kinetic energy
Frictional force
Latent heat of fusion
7. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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8. In an interference or diffraction pattern - the places where there is the least light.
Minima
Traveling waves
Superposition
Beta decay
9. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Constructive interference
Coefficient of linear expansion
Equilibrium position
Conservation of Angular Momentum
10. 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.
Electron
Angular position
Rutherford nuclear model
Center of curvature
11. Represented by R = 8.31 J/mol · K - the universal gas constant fits into the ideal gas law so as to relate temperature to the average kinetic energy of gas molecules.
Universal gas constant
Newton's Second Law
Equilibrium position
Pressure
12. A pendulum consists of a bob connected to a rod or rope. At small angles - a pendulum's motion approximates simple harmonic motion as it swings back and forth without friction.
Photoelectric effect
Pendulum
Newton's First Law
Spectroscope
13. The number of cycles executed by a system in one second. Frequency is the inverse of period - f = 1/T. Frequency is measured in hertz - Hz.
Frequency
Convex lens
Normal force
Efficiency
14. A scalar quantity. If an object is moved from point A to point B in space along path AB - the distance that the object has traveled is the length of the path AB. Distance is to be contrasted with displacement - which is simply a measure of the distan
Principal axis
Lenz's Law
Distance
Mass number
15. Given the period - T - and semimajor axis - a - of a planet's orbit - the ratio is the same for every planet.
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16. An object at rest remains at rest - unless acted upon by a net force. An object in motion remains in motion - unless acted upon by a net force.
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17. States that the current induced in a circuit by a change in magnetic flux is in the direction that will oppose that change in flux. Using the right-hand rule - point your thumb in the opposite direction of the change in magnetic flux. The direction y
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18. A back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Oscillation
Angle of reflection
Pressure
Convection
19. 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
Inertial reference frame
Speed
Thermal equilibrium
20. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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21. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Dynamics
Inelastic collision
Neutrino
Newton's Second Law
22. The movement of a rigid body's center of mass in space.
Magnetic flux
Component
Gold foil experiment
Translational motion
23. The line perpendicular to a surface. There is only one normal for any given surface.
Weight
Thermal energy
Normal
Instantaneous velocity
24. A wavelength - given by = h/mv - which is associated with matter. Louis de Broglie proposed the idea that matter could be treated as waves in 1923 and applied this theory successfully to small particles like electrons.
De Broglie wavelength
Oscillation
Angular displacement
Zeroth Law of Thermodynamics
25. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Gamma decay
Celsius
Work-energy theorem
Weak nuclear force
26. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Optics
Dynamics
Gamma ray
Superposition
27. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.
Deposition
Pulley
Instantaneous velocity
Centripetal force
28. The particles and energy released by the fission or fusion of one atom may trigger the fission or fusion of further atoms. In a chain reaction - fission or fusion is rapidly transferred to a large number of atoms - releasing tremendous amounts of ene
Chain reaction
Diffraction
Concave mirror
Coefficient of linear expansion
29. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Phase change
Induced current
Concave mirror
Rotational motion
30. A system with many parts in periodic - or repetitive - motion. The oscillations in one part cause vibrations in nearby parts.
Gravitational Potential Energy
Reflect
Wave
Angle of reflection
31. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Frequency
Melting point
Angular period
Proton
32. The points of maximum displacement along a wave. In traveling waves - the crests move in the direction of propagation of the wave. The crests of standing waves - also called anti-nodes - remain in one place.
Crest
Hertz (Hz)
Angular acceleration
Focal point
33. In an interference or diffraction pattern - the places where there is the most light.
Tension force
Bohr atomic model
Maxima
Rutherford nuclear model
34. The gravitational force exerted on a given mass.
Weight
Latent heat of vaporization
Efficiency
Oscillation
35. When electromagnetic radiation shines upon a metal - the surface of the metal releases energized electrons. The way in which these electrons are released contradicts classical theories of electromagnetic radiation and supports the quantum view accord
Neutrino
Photoelectric effect
Diffraction
Newton's Third Law
36. The net change - - in a point's angular position - . It is a scalar quantity.
Angular displacement
Harmonic series
Latent heat of fusion
Rutherford nuclear model
37. The force transmitted along a rope or cable.
Faraday's Law
Diffraction
Calorie
Tension force
38. The temperature at which a material will change phase from liquid to gas or gas to liquid.
System
Conduction
Neutrino
Boiling point
39. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Nuclear fusion
Vertex
Free
Zeroth Law of Thermodynamics
40. The angle between a reflected ray and the normal.
Angle of reflection
Motional emf
Diffraction
Spring constant
41. The points of maximum negative displacement along a wave. They are the opposite of wave crests.
Cosine
Orbit
Weightlessness
Trough
42. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Electron
Pressure
Mutual Induction
Specific heat
43. A unit vector is a vector with length 1.
De Broglie wavelength
Kepler's Third Law
Unit vector
Tail
44. A constant in the numerator of a formula.
Radioactive decay
Strong nuclear force
Constant of proportionality
Angular position
45. In reference to oscillation - amplitude is the maximum displacement of the oscillator from its equilibrium position. Amplitude tells how far an oscillator is swinging back and forth. In periodic motion - amplitude is the maximum displacement in each
Electromagnetic induction
Dynamics
Amplitude
Rotational motion
46. Heat transfer by molecular collisions.
Rotational motion
Conduction
Hypotenuse
Force
47. 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.
Neutron
Half
Isotope
Medium
48. The speed at which a wave crest or trough propagates. Note that this is not the speed at which the actual medium (like the stretched string or the air particles) moves.
Zeroth Law of Thermodynamics
De Broglie wavelength
Simple harmonic oscillator
Wave speed
49. A form of radioactive decay where a heavy element ejects a beta particle and a neutrino - becoming a lighter element in the process.
Beta decay
Restoring force
Spectroscope
Mechanical energy
50. The temperature at which a material will change phase from solid to liquid or liquid to solid.
Law of conservation of energy
Melting point
Radioactivity
Newton's Second Law