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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. 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.
Law of reflection
Angle of refraction
Isolated system
Rotational motion
2. A transfer of thermal energy from one system to another.
Heat transfer
Gold foil experiment
Kepler's Third Law
Heat engine
3. 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
Inversely proportional
Total internal reflection
Convex lens
Work
4. When an object is held in circular motion about a massive body - like a planet or a sun - due to the force of gravity - that object is said to be in orbit. Objects in orbit are in perpetual free fall - and so are therefore weightless.
Orbit
Mole
Inertial reference frame
Angular frequency
5. 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
Sublimation
Amplitude
Oscillation
Kinematic equations
6. A measurement of a body's inertia - or resistance to being accelerated.
Mass
Newton's Second Law
Gravitational Potential Energy
Thermal equilibrium
7. A unit vector is a vector with length 1.
Phase
Transformer
Atomic number
Unit vector
8. Also called a converging lens - a lens that is thicker in the middle than at the edges. Convex lenses refract light through a focal point.
Traveling waves
Celsius
Rutherford nuclear model
Convex lens
9. The gravitational force exerted on a given mass.
Spring constant
Weight
Pressure
Force
10. 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
Focal point
Work function
Concave lens
Tangent
11. The force between two surfaces that are not moving relative to one another. The force of static friction is parallel to the plane of contact between the two objects and resists the force pushing or pulling on the object.
Static friction
Doppler shift
Component
Neutron number
12. When dealing with reflection or refraction - the incident ray is the ray of light before it strikes the reflecting or refracting surface.
Refracted ray
Incident ray
Displacement
Trough
13. The movement of a rigid body's center of mass in space.
Isolated system
Translational motion
Angular velocity
Weightlessness
14. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Latent heat of vaporization
Translational motion
Boiling point
Dynamics
15. The two shorter sides of a right triangle that meet at the right angle.
Amplitude
Magnitude
Legs
Translational motion
16. 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
Kinetic theory of gases
Principal axis
Conservation of momentum
Alpha decay
17. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Dynamics
Efficiency
Polarization
Conservation of momentum
18. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Spring constant
Traveling waves
Kelvin
Constructive interference
19. The line perpendicular to a surface. There is only one normal for any given surface.
Speed
Mass
Normal
Isolated system
20. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Concave mirror
Newton
Snell's Law
Velocity
21. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Heat transfer
Wave speed
Kinetic theory of gases
Celsius
22. Also called a diverging lens - a lens that is thinner in the middle than at the edges. Concave lenses refract light away from a focal point.
Concave lens
Entropy
Kinetic theory of gases
Kinetic energy
23. An electromagnetic wave of very high frequency.
Momentum
Gold foil experiment
Spring
Gamma ray
24. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Diffraction grating
Coefficient of volume expansion
Sine
Angle of incidence
25. 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
Frequency
Dynamics
Conservation of momentum
Bohr atomic model
26. The points midway between nodes on a standing wave - where the oscillations are largest.
Basis vector
Reflection
Antinode
Orbit
27. The motion of a body in a circular path with constant speed.
Uniform circular motion
Weber
Heat transfer
Cycle
28. The disorder of a system.
Doppler shift
Dynamics
Angular position
Entropy
29. A body or set of bodies that we choose to analyze as a group.
Strong nuclear force
System
Standing wave
Free
30. The property by which a changing current in one coil of wire induces an emf in another.
Coefficient of kinetic friction
Virtual image
Trough
Mutual Induction
31. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Radiation
Convection
Gold foil experiment
Activity
32. A constant - - not to be confused with wavelength - that defines the speed at which a radioactive element undergoes decay. The greater is - the faster the element decays.
Medium
Velocity
Snell's Law
Decay constant
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 back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Centripetal force
Oscillation
De Broglie wavelength
Cosine
35. 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.
Meson
Instantaneous velocity
Latent heat of fusion
Coefficient of kinetic friction
36. 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.
Wavelength
Celsius
Transverse waves
Angular position
37. The bending of light at the corners of objects or as it passes through narrow slits or apertures.
Diffraction
Magnetic flux
Kepler's First Law
Refraction
38. The effect of force on rotational motion.
Faraday's Law
Latent heat of fusion
Torque
Center of mass
39. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.
Incident ray
Neutron
Sound
Deposition
40. 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.
Coefficient of kinetic friction
Dot product
Impulse
Kepler's Second Law
41. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Coefficient of linear expansion
Concave mirror
Celsius
Nucleus
42. 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
Reflect
Kinematics
Cross product
Electromagnetic wave
43. A collision in which both kinetic energy and momentum are conserved.
Elastic collision
Angle of refraction
Hooke's Law
Dynamics
44. A transverse traveling wave created by the oscillations of an electric field and a magnetic field. Electromagnetic waves travel at the speed of light - m/s. Examples include microwaves - X rays - and visible light.
Electromagnetic wave
Half
Electron
Magnetic flux
45. Kinematics is the study and description of the motion of objects.
Kinematics
Alpha decay
Alpha particle
Concave lens
46. The principle stating that for any isolated system - linear momentum is constant with time.
Vector
Newton's First Law
Uniform circular motion
Conservation of momentum
47. 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.
Hypotenuse
Coefficient of volume expansion
Nucleus
Michelson-Morley experiment
48. A reference frame in which Newton's First Law is true. Two inertial reference frames move at a constant velocity relative to one another. According to the first postulate of Einstein's theory of special relativity - the laws of physics are the same i
Incident ray
Radioactivity
Inertial reference frame
Dot product
49. The force transmitted along a rope or cable.
Tension force
Force
Ground state
Elastic collision
50. A collision in which momentum is conserved but kinetic energy is not.
Period
Directly proportional
Cycle
Inelastic collision