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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. The temperature at which a material will change phase from solid to liquid or liquid to solid.
Melting point
Traveling waves
Kepler's Second Law
Universal gas constant
2. The number of hydrogen atoms in one gram of hydrogen - equal to . When counting the number of molecules in a gas - it is often convenient to count them in moles.
Index of refraction
Reflect
Mole
Frictional force
3. 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
Impulse
Amplitude
Pitch
Angular velocity
4. 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.
Reflect
Work function
Newton's Third Law
Instantaneous velocity
5. 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.
Free
Electromagnetic wave
Amplitude
Latent heat of vaporization
6. 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.
Decay constant
Newton's Third Law
Angular acceleration
Angle of incidence
7. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Static friction
Simple harmonic oscillator
Harmonic series
Period
8. Relates the angle of incidence to the angle of refraction: .
9. A unit vector is a vector with length 1.
Temperature
Mole
Unit vector
Activity
10. 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.
Convection
Virtual image
Latent heat of sublimation
Energy
11. 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.
Elastic collision
Transverse waves
Weight
Meson
12. 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.
Third Law of Thermodynamics
Nucleus
Mass defect
Orbit
13. The principle stating that for any isolated system - linear momentum is constant with time.
Inelastic collision
Heat engine
Ideal gas law
Conservation of momentum
14. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Potential energy
Quark
Atomic number
Neutron
15. A form of vector multiplication - where two vectors are multiplied to produce a scalar. The dot product of two vectors - A and B - is expressed by the equation A · B = AB cos .
Dot product
Angular acceleration
Transverse waves
Focal point
16. A wave that interferes with its own reflection so as to produce oscillations which stand still - rather than traveling down the length of the medium. Standing waves on a string with both ends tied down make up the harmonic series.
Entropy
Standing wave
Conduction
Real image
17. An image created by a mirror or lens in such a way that light does actually come from where the image appears to be. If you place a screen in front of a real image - the image will be projected onto the screen.
First Law of Thermodynamics
Gravitational constant
Alpha decay
Real image
18. The angle between a refracted ray and the line normal to the surface.
Chain reaction
Reflected ray
Angle of refraction
Second Law of Thermodynamics
19. In a right triangle - the tangent of a given angle is the length of the side opposite the angle divided by the length of the side adjacent to the triangle.
Conservation of momentum
Tangent
Hypotenuse
Rarefaction
20. The angle between a reflected ray and the normal.
Angle of reflection
Electromagnetic wave
Motional emf
Latent heat of vaporization
21. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Scalar
Trough
Radian
Centripetal force
22. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Deposition
Concave mirror
Kinetic energy
Critical angle
23. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
24. The distance between successive wave crests - or troughs. Wavelength is measured in meters and is related to frequency and wave speed by = v/f.
Equilibrium position
Acceleration
Wavelength
Vertex
25. For a gas held at a constant temperature - pressure and volume are inversely proportional.
26. For a gas held at constant pressure - temperature and volume are directly proportional.
27. 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.
Proton
Component
Neutron
Law of reflection
28. 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.
Index of refraction
Motional emf
Newton's Third Law
Focal length
29. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Half
Temperature
Conservation of Angular Momentum
Inclined plane
30. The amount heat necessary to cause a substance to undergo a phase transition.
Normal
Kinetic theory of gases
Concave mirror
Latent heat of transformation
31. Any vector can be expressed as the sum of two mutually perpendicular component vectors. Usually - but not always - these components are multiples of the basis vectors - and ; that is - vectors along the x-axis and y-axis. We define these two vectors
Static friction
Law of reflection
Component
Tail
32. 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.
Static friction
Gamma ray
Mass
Angular position
33. A vector quantity - equal to the rate of change of the angular velocity vector with time. It is typically given in units of rad/s2.
Angular acceleration
Centripetal acceleration
Center of mass
Constant of proportionality
34. 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 -
Inertial reference frame
System
Energy
Hooke's Law
35. The lowest theoretical temperature a material can have - where the molecules that make up the material have no kinetic energy. Absolute zero is reached at 0 K or -273º C.
Absolute zero
Destructive interference
Reflect
Centripetal acceleration
36. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Spring
Convex lens
Optics
Restoring force
37. 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.
Entropy
Basis vector
Nucleus
Inertial reference frame
38. The line perpendicular to a surface. There is only one normal for any given surface.
Normal
Direction
Cosine
Angle of reflection
39. 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.
Phase change
Faraday's Law
Atomic number
Rigid body
40. Waves produced by a source that is moving with respect to the observer will seem to have a higher frequency and smaller wavelength if the motion is towards the observer - and a lower frequency and longer wavelength if the motion is away from the obse
Doppler shift
Joule
Pendulum
Celsius
41. 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.
Medium
Angle of refraction
Michelson-Morley experiment
Newton's First Law
42. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Unit vector
Spectroscope
Electromagnetic spectrum
Mechanical energy
43. The bending of light at the corners of objects or as it passes through narrow slits or apertures.
Diffraction
Coefficient of kinetic friction
Frictional force
Kepler's First Law
44. 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.
Radioactive decay
Crest
Melting point
Weightlessness
45. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Potential energy
Heat transfer
Gold foil experiment
Thermal equilibrium
46. 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.
Inertia
Static friction
Mass
Reflection
47. 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
Force
Bohr atomic model
Period
Right-hand rule
48. 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.
49. The disorder of a system.
Directly proportional
Dynamics
Period
Entropy
50. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Specific heat
Quark
Loudness
Center of curvature