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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 scalar quantity. If an object is moved from point A to point B in space along path AB - the distance that the object has traveled is the length of the path AB. Distance is to be contrasted with displacement - which is simply a measure of the distan
Heat transfer
Focal point
Distance
Calorie
2. An image created by a mirror or lens in such a way that light does not actually come from where the image appears to be.
Virtual image
Law of conservation of energy
Inertia
Angular period
3. An electromagnetic wave of very high frequency.
Radian
Gamma ray
Inertial reference frame
Mass defect
4. The property of a vector that distinguishes it from a scalar: while scalars have only a magnitude - vectors have both a magnitude and a direction. When graphing vectors in the xy-coordinate space - direction is usually given by the angle measured cou
Law of reflection
Isolated system
Speed
Direction
5. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Decibel
Gamma decay
Instantaneous velocity
Absolute zero
6. A particle - which consists of two protons and two neutrons. It is identical to the nucleus of a helium atom and is ejected by heavy particles undergoing alpha decay.
Alpha particle
Kepler's Third Law
Refracted ray
Longitudinal waves
7. Heat transfer by molecular collisions.
Impulse
Entropy
Conduction
Alpha particle
8. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Strong nuclear force
Kinetic friction
Inclined plane
Newton's Third Law
9. The mass difference between a nucleus and the sum of the masses of the constituent protons and neutrons.
Boiling point
Principal axis
Meson
Mass defect
10. 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.
Node
Oscillation
Charles's Law
De Broglie wavelength
11. The movement of a rigid body's center of mass in space.
Harmonic series
Center of mass
Translational motion
Kepler's Third Law
12. The amount of heat necessary to transform a liquid at a given temperature into a gas of the same temperature - or the amount of heat needed to be taken away from a gas of a given temperature to transform it into a liquid of the same temperature.
Static friction
Electromagnetic wave
Latent heat of vaporization
Crest
13. Heat transfer via the mass movement of molecules.
Optics
De Broglie wavelength
Melting point
Convection
14. The sum of a system's potential and kinetic energy. In many systems - including projectiles - pulleys - pendulums - and motion on frictionless surfaces - mechanical energy is conserved. One important type of problem in which mechanical energy is not
Third Law of Thermodynamics
Latent heat of fusion
Mechanical energy
Kepler's Third Law
15. Heat transfer via electromagnetic waves.
Maxima
Compression
Radiation
Zeroth Law of Thermodynamics
16. The time - T - required for a rigid body to complete one revolution.
Weight
Centripetal force
Inelastic collision
Angular period
17. The energy of a particle rotating around an axis.
Rotational kinetic energy
Wave speed
Uncertainty principle
Standing wave
18. A unit vector is a vector with length 1.
Michelson-Morley experiment
Newton's First Law
Unit vector
Neutron
19. 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
Second Law of Thermodynamics
Kelvin
Thermal energy
Energy
20. 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
Conservation of Angular Momentum
Weber
Transformer
Frequency
21. The bending of light as it passes from one medium to another. Light refracts toward the normal when going from a less dense medium into a denser medium and away from the normal when going from a denser medium into a less dense medium.
Nuclear fusion
Refraction
Destructive interference
Latent heat of transformation
22. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Meson
Atomic number
Kinetic energy
Celsius
23. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Restoring force
Coefficient of static friction
Strong nuclear force
Nuclear fusion
24. Kinematics is the study and description of the motion of objects.
Half
Node
Kinematics
Faraday's Law
25. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Nuclear fusion
Rotational motion
Right-hand rule
Proton
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.
Dynamics
Nuclear fission
Work
Frictional force
27. A measure of the average kinetic energy of the molecules in a system. Temperature is related to heat by the specific heat of a given substance.
Distance
Rotational motion
Temperature
Trough
28. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Potential energy
Pascals
Wave speed
Temperature
29. 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
Joule
Displacement
Normal
Angular momentum
30. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Melting point
Pulley
Joule
Transverse waves
31. A form of radioactive decay where a heavy element ejects a beta particle and a neutrino - becoming a lighter element in the process.
Threshold frequency
Beta decay
Specific heat
Restoring force
32. 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).
Magnetic flux
Rigid body
Focal length
Virtual image
33. The ray of light that is refracted through a surface into a different medium.
Kelvin
Threshold frequency
Latent heat of sublimation
Refracted ray
34. 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.
Hertz (Hz)
Doppler shift
Gravitational constant
Decibel
35. The unit of magnetic flux - equal to one T · m2.
Weber
Cosine
Velocity
Momentum
36. A negatively charged particle that orbits the nucleus of the atom.
Collision
Radian
Diffraction
Electron
37. The cosine of an angle in a right triangle is equal to the length of the side adjacent to the angle divided by the length of the hypotenuse.
Inclined plane
Gold foil experiment
Newton's Second Law
Cosine
38. The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Work-energy theorem
Gold foil experiment
Right-hand rule
Kinematic equations
39. A wave with wave crests that propagate down the length of the medium - in contrast to stationary standing waves. The velocity at which a crest propagates is called the wave speed.
Isotope
Superposition
Hooke's Law
Traveling waves
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.
Mass
Thermal energy
Electromagnetic spectrum
Michelson-Morley experiment
41. The coefficient of static friction - for two materials is the constant of proportionality between the normal force and the maximum force of static friction. It is always a number between zero and one.
Meson
Coefficient of static friction
Normal
Node
42. The substance that is displaced as a wave propagates through it. Air is the medium for sound waves - the string is the medium of transverse waves on a string - and water is the medium for ocean waves. Note that even if the waves in a given medium tra
Reflection
Translational kinetic energy
Torque
Medium
43. For a reflected light ray - . In other words - a ray of light reflects of a surface in the same plane as the incident ray and the normal - and at an angle to the normal that is equal to the angle between the incident ray and the normal.
Law of reflection
Deposition
Concave lens
Maxima
44. A body or set of bodies that we choose to analyze as a group.
Latent heat of vaporization
System
Isotope
Equilibrium
45. The process by which unstable nuclei spontaneously release particles and/or energy so as to come to a more stable arrangement. The most common forms of radioactive decay are alpha decay - beta decay - and gamma decay.
Isotope
Third Law of Thermodynamics
Radioactive decay
Bohr atomic model
46. The emf created by the motion of a charge through a magnetic field.
Pitch
Wave speed
Spectroscope
Motional emf
47. In the Bohr model of the atom - the state in which an electron has the least energy and orbits closest to the nucleus.
Period
Ground state
Newton's First Law
Directly proportional
48. The longest side of a right triangle - opposite to the right angle.
Nucleus
Hypotenuse
Zeroth Law of Thermodynamics
Harmonic series
49. The line that every particle in the rotating rigid body circles about.
Axis of rotation
Nucleus
Dispersion
Margin of error
50. A unit of measurement for energy on atomic levels. 1 eV = J.
Inelastic collision
Inclined plane
Atom
Electronvolt