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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 particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Radius of curvature
Pascals
Neutrino
Beta particle
2. 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
Right-hand rule
Kinetic energy
Sound
Kinetic theory of gases
3. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Phase
Nucleus
Concave lens
Angular displacement
4. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Centripetal acceleration
Conservation of Angular Momentum
Total internal reflection
Pressure
5. 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).
Optics
Displacement
Weightlessness
Radioactive decay
6. 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.
Rotational kinetic energy
Quark
Reflected ray
Uncertainty principle
7. Two quantities are directly proportional if an increase in one results in a proportional increase in the other - and a decrease in one results in a proportional decrease in the other. In a formula defining a certain quantity - those quantities to whi
Cosine
Directly proportional
Tension force
Translational motion
8. The distance between successive wave crests - or troughs. Wavelength is measured in meters and is related to frequency and wave speed by = v/f.
Wavelength
Angular displacement
Orbit
Internal energy
9. Two materials are in thermal equilibrium if they are at the same temperature.
Efficiency
Polarization
Constructive interference
Thermal equilibrium
10. In the graphical representation of vectors - the tip of the arrow is the pointy end.
Tip
Photoelectric effect
Free
Gamma decay
11. 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.
Uniform circular motion
Orbit
Hooke's Law
Tail
12. For a gas held at constant pressure - temperature and volume are directly proportional.
13. The property by which a charge moving in a magnetic field creates an electric field.
Spectroscope
Momentum
Angular acceleration
Electromagnetic induction
14. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Pulley
Kinetic theory of gases
Neutron
Refraction
15. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Decay constant
Deposition
Center of mass
Induced current
16. The amount of heat necessary to transform a solid at a given temperature into a liquid of the same temperature - or the amount of heat needed to be removed from a liquid of a given temperature to transform it into a solid of the same temperature.
Total internal reflection
Work function
Latent heat of fusion
Radioactive decay
17. 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
Melting point
Magnitude
Angular velocity
Critical angle
18. 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.
Inelastic collision
Cosine
Pendulum
Beta decay
19. 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.
Rotational motion
Crest
Critical angle
Cycle
20. The two shorter sides of a right triangle that meet at the right angle.
Hypotenuse
Legs
Latent heat of fusion
Wave speed
21. The state of a nonrotating object upon whom the net torque acting is zero.
Angle of incidence
Centripetal force
Equilibrium
Standing wave
22. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Energy
Internal energy
Kelvin
Induced current
23. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Refracted ray
Wave
Pulley
Kinetic theory of gases
24. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Rarefaction
Motional emf
Weak nuclear force
Nuclear fission
25. The stable position of a system where the net force acting on the object is zero.
Equilibrium position
Virtual image
Mole
Meson
26. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.
Angular period
Snell's Law
Superposition
Hooke's Law
27. In the Bohr model of the atom - the state in which an electron has the least energy and orbits closest to the nucleus.
Beats
Centripetal acceleration
Vector
Ground state
28. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Virtual image
Electric generator
Newton's Second Law
Threshold frequency
29. The motion of a body in a circular path with constant speed.
Decay constant
Restoring force
Uniform circular motion
Legs
30. The force that binds protons and neutrons together in the atomic nucleus.
Strong nuclear force
System
Total internal reflection
Convection
31. Done when energy is transferred by a force. The work done by a force F in displacing an object by s is W = F · s.
Snell's Law
Nuclear fission
Work
Inclined plane
32. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Transverse waves
Constant of proportionality
Coefficient of linear expansion
Centripetal acceleration
33. 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.
Work-energy theorem
Electromagnetic spectrum
Isotope
Velocity
34. For a gas held at a constant temperature - pressure and volume are inversely proportional.
35. A vector quantity - commonly denoted by the vector s - which reflects an object's change in spatial position. The displacement vector points from the object's starting position to the object's current position in space. If an object is moved from poi
Displacement
Neutron
Focal point
Diffraction
36. 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.
Transformer
Efficiency
Decay constant
Newton's Third Law
37. A quantity that possesses a magnitude but not a direction. Mass and length are common examples.
Celsius
Tip
Work-energy theorem
Scalar
38. The phenomenon by which light traveling from a high n to a low n material will reflect from the optical interface if the incident angle is greater than the critical angle.
De Broglie wavelength
Phase change
Total internal reflection
First Law of Thermodynamics
39. A coefficient that tells how much the volume of a solid will change when it is heated or cooled.
Radioactive decay
Coefficient of volume expansion
Centripetal acceleration
Magnitude
40. 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
Hooke's Law
Focal point
Legs
Angle of reflection
41. The mass difference between a nucleus and the sum of the masses of the constituent protons and neutrons.
Coefficient of kinetic friction
Magnetic flux
Doppler shift
Mass defect
42. States that the net work done on an object is equal to the object's change in kinetic energy.
Work-energy theorem
Proton
Latent heat of transformation
Right-hand rule
43. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Speed
Translational kinetic energy
Kinematics
Radian
44. A small particle-like bundle of electromagnetic radiation.
Latent heat of vaporization
Photoelectron
Photon
Equilibrium position
45. 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
Transformer
Boiling point
Entropy
Newton's Third Law
46. A back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Spring constant
Oscillation
Temperature
Kinetic energy
47. 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.
Ground state
Electron
Coherent light
Heat engine
48. 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.
Charles's Law
Temperature
Impulse
Induced current
49. In an interference or diffraction pattern - the places where there is the least light.
Minima
Oscillation
Efficiency
Conduction
50. Relates the angle of incidence to the angle of refraction: .