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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 energy of a particle rotating around an axis.
Significant digits
Radioactive decay
Rotational kinetic energy
Pulley
2. Relates the angle of incidence to the angle of refraction: .
3. The path of each planet around the sun is an ellipse with the sun at one focus.
4. When objects collide - each object feels a force for a short amount of time. This force imparts an impulse - or changes the momentum of each of the colliding objects. The momentum of a system is conserved in all kinds of collisions. Kinetic energy is
Tail
Proton
Collision
Ideal gas law
5. 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.
Law of conservation of energy
Frequency
Electric generator
Coefficient of static friction
6. 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).
Normal
Mass
Optics
Coefficient of linear expansion
7. 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.
Virtual image
Heat
Electronvolt
Transformer
8. 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.
Principal axis
Coefficient of static friction
Latent heat of sublimation
Pendulum
9. 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.
Absolute zero
Inertial reference frame
Atomic number
Inclined plane
10. For a gas held at constant pressure - temperature and volume are directly proportional.
11. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
De Broglie wavelength
Vertex
Neutrino
Work-energy theorem
12. The tendency of an object to remain at a constant velocity - or its resistance to being accelerated. Newton's First Law is alternatively called the Law of Inertia because it describes this tendency.
Kepler's Third Law
Zeroth Law of Thermodynamics
Inertia
Latent heat of vaporization
13. 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.
Sublimation
Direction
Longitudinal waves
Weightlessness
14. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Convection
Pascals
Wavelength
Dynamics
15. The separation of different color light via refraction.
Wave
Dispersion
Angular displacement
Quark
16. 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.
Displacement
Concave mirror
Wave speed
Rutherford nuclear model
17. 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 .
Magnitude
Constant of proportionality
Dot product
Melting point
18. The property by which a charge moving in a magnetic field creates an electric field.
Kinematics
Coefficient of kinetic friction
Inelastic collision
Electromagnetic induction
19. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Kelvin
Radian
Pendulum
Chain reaction
20. 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.
Work
Concave lens
Deposition
Motional emf
21. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Trough
Spring
Kelvin
Tension force
22. A form of radioactive decay where a heavy element ejects a beta particle and a neutrino - becoming a lighter element in the process.
Decay constant
Beta decay
Phase change
Collision
23. An object is called radioactive if it undergoes radioactive decay.
Angular position
Radioactivity
Impulse
Refraction
24. Essentially a restatement of energy conservation - it states that the change in the internal energy of a system is equal to the heat added plus the work done on the system.
Reflection
First Law of Thermodynamics
Frictional force
Newton's Law of Universal Gravitation
25. 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
Quark
Frequency
Photoelectric effect
Spring
26. 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
Alpha decay
Kelvin
Proton
Amplitude
27. The amplification of one wave by another - identical wave of the same sign. Two constructively interfering waves are said to be "in phase."
Standing wave
Bohr atomic model
Constructive interference
Celsius
28. A form of radioactive decay where a heavy element emits an alpha particle and some energy - thus transforming into a lighter - more stable - element.
Absolute zero
Newton's Law of Universal Gravitation
Alpha decay
Constructive interference
29. The bending of light as it passes from one medium to another. Light refracts toward the normal when going from a less dense medium into a denser medium and away from the normal when going from a denser medium into a less dense medium.
Refraction
Wavelength
Displacement
Induced current
30. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Spectroscope
Node
Angular position
Velocity
31. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Rotational motion
Coefficient of linear expansion
Universal gas constant
Medium
32. 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.
Incident ray
Component
Reflected ray
Gravitational constant
33. 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
Weightlessness
Decay constant
Doppler shift
Legs
34. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Magnification
Work
Kinetic energy
Ideal gas law
35. A vector quantity - - that reflects the change of angular displacement with time - and is typically given in units of rad/s. To find the direction of the angular velocity vector - take your right hand and curl your fingers along the particle or body
Instantaneous velocity
Diffraction grating
Angular velocity
Magnitude
36. 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.
Maxima
Longitudinal waves
Direction
De Broglie wavelength
37. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Power
Kinetic theory of gases
Pulley
Minima
38. 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.
Index of refraction
Work
Temperature
Beats
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.
Ground state
Sound
Alpha particle
Pressure
40. The stable position of a system where the net force acting on the object is zero.
Electromagnetic induction
Equilibrium position
Latent heat of fusion
Vector
41. 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.
Latent heat of sublimation
Weber
Instantaneous velocity
Gamma decay
42. A unit of measurement for energy on atomic levels. 1 eV = J.
Radian
Electronvolt
Constructive interference
Right-hand rule
43. Heat transfer via electromagnetic waves.
Minima
Radiation
Gamma decay
Virtual image
44. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Lenz's Law
Loudness
Cross product
Work-energy theorem
45. 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
Distance
Optics
Ground state
Neutrino
46. Heat transfer via the mass movement of molecules.
Direction
Convection
Sound
Law of conservation of energy
47. The disorder of a system.
Entropy
Vector
Hooke's Law
Diffraction
48. 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.
Photoelectric effect
Electronvolt
Orbit
Efficiency
49. The angle between a refracted ray and the line normal to the surface.
Temperature
Inversely proportional
Tip
Angle of refraction
50. The property by which a changing current in one coil of wire induces an emf in another.
Normal force
Mutual Induction
Lenz's Law
Standing wave