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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. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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2. 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
Faraday's Law
Center of mass
Conservation of momentum
Photoelectric effect
3. 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.
Constructive interference
Convex lens
Neutron number
Virtual image
4. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Work function
Beta particle
De Broglie wavelength
Amplitude
5. Indicates how "bouncy" or "stiff" a spring is. More specifically - the spring constant - k - is the constant of proportionality between the restoring force exerted by the spring - and the spring's displacement from equilibrium. The greater the value
Total internal reflection
Constructive interference
Work function
Spring constant
6. A device that converts mechanical energy to electrical energy by rotating a coil in a magnetic field; sometimes called a "dynamo."
Incident ray
Mechanical energy
Electric generator
Isotope
7. A constant - J · s - which is useful in quantum physics. A second constant associated with Planck's constant is .
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8. An object that moves about a stable equilibrium point and experiences a restoring force that is directly proportional to the oscillator's displacement.
Pressure
Simple harmonic oscillator
Decibel
Lenz's Law
9. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Rigid body
Hypotenuse
Principal axis
Critical angle
10. A process that aligns a wave of light to oscillate in one dimension rather than two.
Electron
Polarization
Gamma ray
Legs
11. The amount of heat of a material required to raise the temperature of either one kilogram or one gram of that material by one degree Celsius. Different units may be used depending on whether specific heat is measured in s of grams or kilograms - and
Work-energy theorem
Reflect
Specific heat
Equilibrium position
12. The phenomenon of light bouncing off a surface - such as a mirror.
Tip
Newton
Reflection
Kelvin
13. The bending of light at the corners of objects or as it passes through narrow slits or apertures.
Newton's Third Law
Diffraction
Heat engine
Gamma decay
14. A system with many parts in periodic - or repetitive - motion. The oscillations in one part cause vibrations in nearby parts.
Unit vector
Kinetic energy
Wave
Doppler shift
15. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.
Superposition
Traveling waves
Conduction
Weight
16. An area of high air pressure that acts as the wave trough for sound waves. The spacing between successive rarefactions is the wavelength of sound - and the number of successive areas of rarefaction that arrive at the ear per second is the frequency -
Rotational kinetic energy
Tail
Amplitude
Rarefaction
17. The energy associated with the configuration of bodies attracted to each other by the gravitational force. It is a measure of the amount of work necessary to get the two bodies from a chosen point of reference to their present position. This point of
Hooke's Law
Coherent light
Efficiency
Gravitational Potential Energy
18. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Directly proportional
Inertial reference frame
Newton's Law of Universal Gravitation
Electromagnetic spectrum
19. The force between two surfaces moving relative to one another. The frictional force is parallel to the plane of contact between the two objects and in the opposite direction of the sliding object's motion.
Rotational kinetic energy
Kinematics
Gravitational Potential Energy
Kinetic friction
20. A collision in which both kinetic energy and momentum are conserved.
Radioactive decay
Entropy
Charles's Law
Elastic collision
21. The amount heat necessary to cause a substance to undergo a phase transition.
Latent heat of transformation
Normal
Charles's Law
Latent heat of fusion
22. The force that binds protons and neutrons together in the atomic nucleus.
Strong nuclear force
Latent heat of vaporization
Mechanical energy
Electromagnetic induction
23. A constant in the numerator of a formula.
Constant of proportionality
Dynamics
Michelson-Morley experiment
Kepler's Second Law
24. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Inertia
Neutrino
Gamma decay
Dynamics
25. The acceleration of a body experiencing uniform circular motion. This acceleration is always directed toward the center of the circle.
Real image
Centripetal acceleration
Universal gas constant
Magnification
26. Heat transfer by molecular collisions.
Center of mass
Conduction
Gravitational Potential Energy
Melting point
27. The ratio of the size of the image produced by a mirror or lens to the size of the original object. This number is negative if the image is upside-down.
Magnification
Period
Angular velocity
Cycle
28. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Kinematic equations
Quark
Static friction
Coherent light
29. 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.
Coefficient of kinetic friction
Static friction
Hooke's Law
Fundamental
30. A vector quantity defined as the rate of change of the velocity vector with time.
Normal force
Moment of inertia
Acceleration
Torque
31. The disorder of a system.
Mass
Entropy
Newton's Third Law
Hypotenuse
32. The number of digits that have been accurately measured. When combining several measurements in a formula - the resulting calculation can only have as many significant digits as the measurement that has the smallest number of significant digits.
Frictional force
Significant digits
Internal energy
Rotational kinetic energy
33. States that the net work done on an object is equal to the object's change in kinetic energy.
Work-energy theorem
Kinematics
Temperature
Index of refraction
34. 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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35. The standing wave with the lowest frequency that is supported by a string with both ends tied down is called the fundamental - or resonance - of the string. The wavelength of the fundamental is twice the length of the string - .
Frequency
Power
Fundamental
Diffraction grating
36. 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.
Proton
Focal point
Kinetic friction
Inertia
37. 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.
Latent heat of sublimation
Traveling waves
Frequency
Potential energy
38. The mass difference between a nucleus and the sum of the masses of the constituent protons and neutrons.
Axis of rotation
Mass defect
Gamma decay
Frequency
39. 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
Power
Mass defect
Radius of curvature
40. In the graphical representation of vectors - the tip of the arrow is the pointy end.
Tip
Coefficient of volume expansion
Traveling waves
Node
41. 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.
Moment of inertia
Impulse
Polarization
Boiling point
42. The amount of heat necessary for a material undergoing sublimation to make a phase change from gas to solid or solid to gas - without a change in temperature.
Moment of inertia
Simple harmonic oscillator
Beta decay
Latent heat of sublimation
43. 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.
Longitudinal waves
Instantaneous velocity
Mutual Induction
Alpha particle
44. 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.
Kepler's Third Law
Thermal energy
Weightlessness
Electromagnetic induction
45. A frequency - f - defined as the number of revolutions a rigid body makes in a given time interval. It is a scalar quantity commonly denoted in units of Hertz (Hz) or s-1.
Angular frequency
Angular displacement
Kinematics
Axis of rotation
46. 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.
Principal axis
Frequency
Thermal energy
Gravitational constant
47. 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.
Angular position
Magnitude
Kinetic friction
Angle of reflection
48. The gravitational force exerted on a given mass.
Second Law of Thermodynamics
Weight
Reflect
First Law of Thermodynamics
49. 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.
Strong nuclear force
Virtual image
Conservation of Angular Momentum
Angular acceleration
50. 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.
Weber
Static friction
Angular position
Latent heat of vaporization