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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 points midway between nodes on a standing wave - where the oscillations are largest.
Antinode
Nuclear fusion
Activity
Efficiency
2. 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
Angular velocity
Bohr atomic model
Doppler shift
Weight
3. The line perpendicular to a surface. There is only one normal for any given surface.
Heat engine
Normal
Mechanical energy
Compression
4. A vector quantity - L - that is the rotational analogue of linear momentum. For a single particle - the angular momentum is the cross product of the particle's displacement from the axis of rotation and the particle's linear momentum - . For a rigid
Translational kinetic energy
Convex lens
Magnetic flux
Angular momentum
5. Heat transfer via electromagnetic waves.
Unit vector
Radiation
Instantaneous velocity
Translational kinetic energy
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.
Tip
Photoelectric effect
Translational kinetic energy
Melting point
7. A machine that operates by taking heat from a hot place - doing some work with that heat - and then exhausting the rest of the heat into a cool place. The internal combustion engine of a car is an example of a heat engine.
Kelvin
Superposition
Heat engine
Inertial reference frame
8. 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
Inclined plane
Tangent
Photoelectric effect
Pascals
9. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Mass number
Kinematic equations
Critical angle
Static friction
10. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Rarefaction
Decibel
Spring
Tail
11. 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.
Motional emf
Mechanical energy
Latent heat of sublimation
Angular momentum
12. Defined as the rate at which work is done - or the rate at which energy is transformed. P is measured in joules per second (J/s) - or watts (W).
Focal point
Power
Inclined plane
Pendulum
13. 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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14. 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.
Entropy
Rigid body
Real image
Thermal energy
15. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Spring
Wavelength
Half
Uniform circular motion
16. 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.
Electric generator
Gravitational constant
Faraday's Law
Spring
17. A number - Z - associated with the number of protons in the nucleus of an atom. Every element can be defined in s of its atomic number - since every atom of a given element has the same number of protons.
Atomic number
Cross product
Reflection
Impulse
18. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
Joule
Spring constant
Destructive interference
Scalar
19. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Cycle
Instantaneous velocity
Simple harmonic oscillator
Sine
20. A unit of measurement for energy on atomic levels. 1 eV = J.
Alpha decay
Electronvolt
Inertial reference frame
Transverse waves
21. 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.
Mole
Wave
Concave mirror
Heat
22. A vector quantity - or vector - is an object possessing - and fully described by - a magnitude and a direction. Graphically a vector is depicted as an arrow with its magnitude given by the length of the arrow and its direction given by where the arro
Latent heat of fusion
Photon
Vector
Angular displacement
23. 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
Celsius
Law of conservation of energy
Orbit
Amplitude
24. A form of radioactive decay where a heavy element emits an alpha particle and some energy - thus transforming into a lighter - more stable - element.
Alpha decay
Half
Static friction
Radius of curvature
25. 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.
Focal length
Convex lens
Weak nuclear force
Total internal reflection
26. The two shorter sides of a right triangle that meet at the right angle.
Refraction
Kepler's Third Law
Legs
Potential energy
27. The energy associated with the configuration of bodies attracted to each other by the gravitational force. It is a measure of the amount of work necessary to get the two bodies from a chosen point of reference to their present position. This point of
Gravitational Potential Energy
Coefficient of static friction
Inversely proportional
Traveling waves
28. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Efficiency
Impulse
Newton's Law of Universal Gravitation
Newton
29. An area of high air pressure that acts as the wave crest for sound waves. The spacing between successive compressions is the wavelength of sound - and the number of successive areas of compression that arrive at the ear per second is the frequency -
Latent heat of vaporization
Kinematic equations
Compression
Heat transfer
30. The angle between a refracted ray and the line normal to the surface.
Speed
Radioactive decay
Angle of refraction
Lenz's Law
31. The straight line that runs through the focal point and the vertex of a mirror or lens.
Decay constant
Work
Node
Principal axis
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.
Angular position
Charles's Law
Heat
Vertex
33. The energy of a particle rotating around an axis.
Angular displacement
Rutherford nuclear model
Rotational kinetic energy
Latent heat of transformation
34. The gravitational force exerted on a given mass.
Quark
Zeroth Law of Thermodynamics
Weight
Boiling point
35. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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36. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Kinetic theory of gases
Isolated system
Half
Boyle's Law
37. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Radius of curvature
Sound
Newton's Second Law
Mass number
38. The amplification of one wave by another - identical wave of the same sign. Two constructively interfering waves are said to be "in phase."
Dispersion
Constructive interference
Nuclear fission
Photoelectron
39. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Sound
Snell's Law
Vector
Free
40. A mirror that is curved such that its center is closer to the viewer than the edges - such as a doorknob. Convex mirrors reflect light away from a focal point.
Mass
Lenz's Law
Magnification
Convex mirror
41. 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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42. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Second Law of Thermodynamics
Electromagnetic spectrum
Beats
Half
43. The current induced in a circuit by a change in magnetic flux.
Induced current
Heat
Radioactive decay
Conduction
44. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Refraction
Angular position
Newton's Third Law
Pascals
45. 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.
Tension force
Simple harmonic oscillator
Concave mirror
Angular acceleration
46. 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
Universal gas constant
Bohr atomic model
Doppler shift
Latent heat of vaporization
47. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Proton
Rotational kinetic energy
Threshold frequency
Half
48. The energy stored in a thermodynamic system.
Weber
Internal energy
Restoring force
Inelastic collision
49. A collision in which momentum is conserved but kinetic energy is not.
Wave
Spectroscope
Ground state
Inelastic collision
50. 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.
Pulley
Neutron number
Uncertainty principle
Translational kinetic energy