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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 stored in a thermodynamic system.
Hertz (Hz)
Internal energy
Period
Uniform circular motion
2. 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.
Basis vector
Equilibrium
Angular acceleration
Latent heat of sublimation
3. A nuclear reaction that takes place only at very high temperatures. Two light atoms - often hydrogen - fuse together to form a larger single atom - releasing a vast amount of energy in the process.
Index of refraction
Nuclear fusion
Angle of incidence
Medium
4. The mass number - A - is the sum of the number of protons and neutrons in a nucleus. It is very close to the weight of that nucleus in atomic mass units.
Total internal reflection
Translational motion
Cosine
Mass number
5. 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
Cross product
Snell's Law
Newton's Third Law
6. 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
Compression
Power
Magnetic flux
Inertial reference frame
7. The net change - - in a point's angular position - . It is a scalar quantity.
Frictional force
Constant of proportionality
Angular displacement
Simple harmonic oscillator
8. The particles and energy released by the fission or fusion of one atom may trigger the fission or fusion of further atoms. In a chain reaction - fission or fusion is rapidly transferred to a large number of atoms - releasing tremendous amounts of ene
Chain reaction
Spring constant
Acceleration
Kinematics
9. The phenomenon of light bouncing off a surface - such as a mirror.
Wave
Reflection
Third Law of Thermodynamics
Newton's Second Law
10. The energy of the molecules that make up an object. It is related to heat - which is the amount of energy transferred from one object to another object that is a different temperature.
Neutron number
Total internal reflection
Thermal energy
Latent heat of fusion
11. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Destructive interference
Maxima
Beta particle
Polarization
12. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Neutrino
Pulley
Conservation of momentum
Hypotenuse
13. In oscillation - a cycle occurs when an object undergoing oscillatory motion completes a "round-trip." For instance - a pendulum bob released at angle has completed one cycle when it swings to and then back to again. In period motion - a cycle is the
Equilibrium position
Mass defect
Cycle
Rarefaction
14. 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
Vector
Inclined plane
Lenz's Law
Cycle
15. A coefficient that tells how much the volume of a solid will change when it is heated or cooled.
Radian
Constant of proportionality
Rarefaction
Coefficient of volume expansion
16. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Neutron
Work function
Boyle's Law
Unit vector
17. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Index of refraction
Instantaneous velocity
Neutron
Tip
18. A quantity that possesses a magnitude but not a direction. Mass and length are common examples.
Isolated system
Heat engine
Tail
Scalar
19. If a line is drawn from the sun to the planet - then the area swept out by this line in a given time interval is constant.
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20. Given the trajectory of an object or system - the center of mass is the point that has the same acceleration as the object or system as a whole would have if its mass were concentrated at that point. In terms of force - the center of mass is the poin
Center of mass
Entropy
Isolated system
Electric generator
21. 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
Michelson-Morley experiment
Bohr atomic model
Legs
Nuclear fusion
22. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Destructive interference
Collision
Isotope
Neutrino
23. 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.
Efficiency
Principal axis
Convex lens
Fundamental
24. 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.
Momentum
Scalar
Vector
Angular position
25. The points of maximum negative displacement along a wave. They are the opposite of wave crests.
Sublimation
Snell's Law
Trough
Momentum
26. The number - N - of neutrons in an atomic nucleus.
Kinematic equations
Equilibrium
Neutron number
Planck's constant
27. In an interference or diffraction pattern - the places where there is the least light.
Mass defect
Coefficient of linear expansion
Minima
Tip
28. Waves that oscillate in the same direction as the propagation of the wave. Sound is carried by longitudinal waves - since the air molecules move back and forth in the same direction the sound travels.
Nucleus
Compression
Sublimation
Longitudinal waves
29. Another word for the frequency of a sound wave.
Oscillation
Angular momentum
Charles's Law
Pitch
30. A property common to both vectors and scalars. In the graphical representation of a vector - the vector's magnitude is equal to the length of the arrow.
Displacement
Magnitude
Polarization
Kinetic theory of gases
31. 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.
Photoelectron
Pendulum
Newton
Maxima
32. Kinematics is the study and description of the motion of objects.
Electromagnetic induction
Wavelength
Latent heat of fusion
Kinematics
33. The ray of light that is reflected from a mirror or other reflecting surface.
Elastic collision
Absolute zero
Reflected ray
Deposition
34. Heat transfer via the mass movement of molecules.
Convection
Electromagnetic induction
Equilibrium
Collision
35. 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.
Maxima
Sine
Motional emf
Convex mirror
36. For an oscillating spring - the restoring force exerted by the spring is directly proportional to the displacement. That is - the more the spring is displaced - the stronger the force that will pull toward the equilibrium position. This law is expres
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37. The building blocks of all matter - atoms are made up of a nucleus consisting of protons and neutrons - and a number of electrons that orbit the nucleus. An electrically neutral atom has as many protons as it has electrons.
Acceleration
Atom
Legs
Inclined plane
38. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Gravitational constant
Deposition
Uncertainty principle
Newton's Third Law
39. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Refraction
Period
Diffraction grating
Kelvin
40. The stable position of a system where the net force acting on the object is zero.
Kepler's Second Law
Cosine
Electromagnetic induction
Equilibrium position
41. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Latent heat of sublimation
Quark
Sound
Magnification
42. 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.
Gravitational constant
Alpha particle
Beats
Kelvin
43. The angle between a refracted ray and the line normal to the surface.
Kepler's Second Law
Superposition
Angle of refraction
Critical angle
44. A collision in which momentum is conserved but kinetic energy is not.
Sublimation
Mechanical energy
Meson
Inelastic collision
45. 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
Kinematics
Hertz (Hz)
Inversely proportional
Cosine
46. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.
Conservation of Angular Momentum
Angular momentum
Latent heat of fusion
Hypotenuse
47. The straight line that runs through the focal point and the vertex of a mirror or lens.
Principal axis
Unit vector
Newton's Law of Universal Gravitation
Nucleus
48. 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
Nuclear fusion
Melting point
Angular momentum
Gold foil experiment
49. An object is called radioactive if it undergoes radioactive decay.
Angular position
Beats
Legs
Radioactivity
50. The coefficient of kinetic friction - - for two materials is the constant of proportionality between the normal force and the force of kinetic friction. It is always a number between zero and one.
Electromagnetic induction
Coefficient of kinetic friction
Celsius
Isotope