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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. 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
Amplitude
Simple harmonic oscillator
Mole
Lenz's Law
2. The amount of error that's possible in a given measurement.
Cycle
Isolated system
Latent heat of sublimation
Margin of error
3. A wave that interferes with its own reflection so as to produce oscillations which stand still - rather than traveling down the length of the medium. Standing waves on a string with both ends tied down make up the harmonic series.
Mass defect
Virtual image
Translational kinetic energy
Standing wave
4. 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.
Heat engine
Temperature
Work
Elastic collision
5. Represented by R = 8.31 J/mol · K - the universal gas constant fits into the ideal gas law so as to relate temperature to the average kinetic energy of gas molecules.
Universal gas constant
Index of refraction
Decay constant
Absolute zero
6. 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
Harmonic series
Collision
Significant digits
Direction
7. Waves in which the medium moves in the direction perpendicular to the propagation of the wave. Waves on a stretched string - water waves - and electromagnetic waves are all examples of transverse waves.
Motional emf
Reflection
Transverse waves
Conservation of Angular Momentum
8. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Rotational motion
Angular period
Center of mass
Mole
9. A unit of measurement for energy on atomic levels. 1 eV = J.
Fundamental
Basis vector
Zeroth Law of Thermodynamics
Electronvolt
10. The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Uncertainty principle
Work function
Kinematic equations
Snell's Law
11. 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.
Deposition
Tail
Distance
Angular acceleration
12. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Simple harmonic oscillator
Node
Standing wave
Completely inelastic collision
13. 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 .
Concave lens
Work-energy theorem
De Broglie wavelength
Dot product
14. 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.
Pitch
Proton
Electromagnetic spectrum
Inertia
15. 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.
Beta decay
Weightlessness
Lenz's Law
Isotope
16. 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
Conservation of momentum
Focal point
Mass
Speed
17. 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.
Wave speed
Latent heat of fusion
Energy
De Broglie wavelength
18. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Velocity
Work-energy theorem
Right-hand rule
Deposition
19. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.
System
Boyle's Law
Centripetal force
Velocity
20. A device that converts mechanical energy to electrical energy by rotating a coil in a magnetic field; sometimes called a "dynamo."
Electric generator
Maxima
Pulley
Traveling waves
21. 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
Rotational motion
Kinetic theory of gases
Angular velocity
Deposition
22. The reaction force of the ground - a table - etc. - when an object is placed upon it. The normal force is a direct consequence of Newton's Third Law: when an object is placed on the ground - the ground pushes back with the same force that it is pushe
Lenz's Law
Inversely proportional
Normal force
Diffraction grating
23. 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
Concave lens
Directly proportional
Newton
De Broglie wavelength
24. 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.
Displacement
Kepler's Second Law
Mole
Moment of inertia
25. 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.
Photoelectron
Angular position
Pressure
Center of mass
26. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Wave
Newton
Potential energy
Crest
27. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Restoring force
Polarization
Component
Velocity
28. The net change - - in a point's angular position - . It is a scalar quantity.
Charles's Law
Newton
Dynamics
Angular displacement
29. A class of elementary particle whose mass is between that of a proton and that of an electron. A common kind of meson is the pion.
Kinematic equations
Pendulum
Work function
Meson
30. A vector quantity defined as the rate of change of the displacement vector with time. It is to be contrasted with speed - which is a scalar quantity for which no direction is specified.
Velocity
Crest
Mass defect
Doppler shift
31. The force transmitted along a rope or cable.
Thermal energy
Optics
Tension force
Neutron number
32. A collision in which the colliding particles stick together.
Angular velocity
Completely inelastic collision
Right-hand rule
Direction
33. 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.
Static friction
Work
Mechanical energy
Newton's Law of Universal Gravitation
34. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Sine
Loudness
Newton
Pulley
35. 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.
Crest
Equilibrium position
Collision
Longitudinal waves
36. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Neutrino
Work
Equilibrium position
Radiation
37. Heat transfer by molecular collisions.
Legs
Conduction
Meson
Electron
38. In an interference or diffraction pattern - the places where there is the most light.
Phase change
Kinetic friction
Component
Maxima
39. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Gamma ray
Center of mass
Magnetic flux
Gold foil experiment
40. 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.
Radioactivity
Transverse waves
Coefficient of static friction
Thermal energy
41. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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42. The dot product of the area and the magnetic field passing through it. Graphically - it is a measure of the number and length of magnetic field lines passing through that area. It is measured in Webers (Wb).
Beta decay
Spring
Magnetic flux
Compression
43. F = ma. The net force - F - acting on an object causes the object to accelerate - a. The magnitude of the acceleration is directly proportional to the net force on the object and inversely proportional to the mass - m - of the object.
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44. The cancellation of one wave by another wave that is exactly out of phase with the first. Despite the dramatic name of this phenomenon - nothing is "destroyed" by this interference—the two waves emerge intact once they have passed each other.
Destructive interference
Mutual Induction
Power
Radius of curvature
45. The state of a nonrotating object upon whom the net torque acting is zero.
Equilibrium
Uniform circular motion
Force
Neutron
46. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Spring
Refraction
Planck's constant
Basis vector
47. There are a few versions of this law. One is that heat flows spontaneously from hot to cold - but not in the reverse direction. Another is that there is no such thing as a 100% efficient heat engine. A third states that the entropy - or disorder - of
Translational motion
Maxima
Second Law of Thermodynamics
Antinode
48. An experiment in 1879 that showed that the speed of light is constant to all observers. Einstein used the results of this experiment as support for his theory of special relativity.
Velocity
Force
Zeroth Law of Thermodynamics
Michelson-Morley experiment
49. 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.
Neutron number
Michelson-Morley experiment
Latent heat of fusion
Meson
50. The ray of light that is reflected from a mirror or other reflecting surface.
Lenz's Law
Reflected ray
Angular displacement
Uncertainty principle