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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 of maximum negative displacement along a wave. They are the opposite of wave crests.
Trough
Cross product
Vertex
Angular momentum
2. 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
Concave mirror
Centripetal force
Chain reaction
Proton
3. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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4. The phenomenon of light bouncing off a surface - such as a mirror.
Tension force
Reflection
Translational motion
Elastic collision
5. 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.
Coefficient of linear expansion
Rotational motion
De Broglie wavelength
Atom
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.
Photoelectron
Magnification
Pulley
Decay constant
7. A unit vector is a vector with length 1.
Acceleration
Transformer
Magnetic flux
Unit vector
8. 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.
Index of refraction
Basis vector
Snell's Law
Velocity
9. 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
Conservation of momentum
Maxima
Coefficient of kinetic friction
10. 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.
De Broglie wavelength
Traveling waves
Isotope
Orbit
11. 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
Inertial reference frame
Latent heat of vaporization
Nuclear fission
Margin of error
12. 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.
Impulse
Compression
Destructive interference
Radian
13. 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.
Inertia
Equilibrium position
Uncertainty principle
Basis vector
14. The force transmitted along a rope or cable.
Focal length
Pendulum
Harmonic series
Tension force
15. The mass difference between a nucleus and the sum of the masses of the constituent protons and neutrons.
Electric generator
Mass defect
Simple harmonic oscillator
Angular velocity
16. 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
Calorie
Right-hand rule
Neutron
17. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Inclined plane
Absolute zero
Equilibrium
Celsius
18. 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
Uniform circular motion
Beta particle
Displacement
Harmonic series
19. The number - N - of neutrons in an atomic nucleus.
Neutron number
Michelson-Morley experiment
Force
Gamma ray
20. The two shorter sides of a right triangle that meet at the right angle.
Atom
Newton's Third Law
Legs
Equilibrium
21. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Compression
Tension force
Proton
Weightlessness
22. A sheet - film - or screen with a pattern of equally spaced slits. Typically the width of the slits and space between them is chosen to generate a particular diffraction pattern.
Force
Diffraction grating
Free
Conservation of momentum
23. 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.
Third Law of Thermodynamics
Convection
Instantaneous velocity
Radioactivity
24. 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.
Rigid body
Directly proportional
Law of reflection
Energy
25. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Motional emf
Node
Boiling point
Ideal gas law
26. 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.
Harmonic series
Work
Centripetal force
Basis vector
27. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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28. 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
Angle of reflection
Reflect
Latent heat of vaporization
29. When two waves of slightly different frequencies interfere with one another - they produce a "beating" interference pattern that alternates between constructive (in-phase) and destructive (out-of-phase). In the case of sound waves - this sort of inte
Beats
Basis vector
Gamma decay
Trough
30. Two oscillators that have the same frequency and amplitude - but reach their maximum displacements at different times - are said to have different phases. Similarly - two waves are in phase if their crests and troughs line up exactly - and they are o
Phase
Vector
Displacement
Incident ray
31. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Phase
Gold foil experiment
Snell's Law
Mutual Induction
32. The effect of force on rotational motion.
Torque
Legs
Chain reaction
Convection
33. 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
Frequency
Scalar
Refracted ray
Cycle
34. 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 -
Compression
Normal force
Axis of rotation
Force
35. The line perpendicular to a surface. There is only one normal for any given surface.
Axis of rotation
Kinetic theory of gases
Refracted ray
Normal
36. 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
Conservation of momentum
Efficiency
Inversely proportional
Coefficient of linear expansion
37. In an interference or diffraction pattern - the places where there is the least light.
Standing wave
Neutron number
Minima
Mole
38. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Axis of rotation
Half
Coefficient of linear expansion
Normal
39. 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.
Inclined plane
Axis of rotation
Constant of proportionality
Gravitational constant
40. 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.
Michelson-Morley experiment
Inelastic collision
Atomic number
Sublimation
41. A means of defining the direction of the cross product vector. To define the direction of the vector - position your right hand so that your fingers point in the direction of A - and then curl them around so that they point in the direction of B. Th
Refracted ray
Internal energy
Right-hand rule
Free
42. 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
Thermal equilibrium
Center of mass
Bohr atomic model
Kinetic friction
43. In an interference or diffraction pattern - the places where there is the most light.
Motional emf
Heat transfer
Maxima
Transformer
44. The motion of a body in a circular path with constant speed.
Superposition
Pascals
Uniform circular motion
Magnetic flux
45. 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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46. Another word for the frequency of a sound wave.
Phase
Pitch
Beta particle
Equilibrium
47. The center of a mirror or lens.
Reflection
Scalar
Axis of rotation
Vertex
48. The path of each planet around the sun is an ellipse with the sun at one focus.
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49. 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
Angular velocity
Coefficient of linear expansion
Constructive interference
Completely inelastic collision
50. 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.
Reflect
Heat engine
Focal length
Acceleration