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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 force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Angular position
Restoring force
Mutual Induction
Center of curvature
2. The angle between a refracted ray and the line normal to the surface.
Impulse
Oscillation
Weak nuclear force
Angle of refraction
3. 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.
Calorie
Pendulum
Direction
Angular acceleration
4. Heat transfer via electromagnetic waves.
Doppler shift
Radiation
Potential energy
Photon
5. 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
Atom
Component
Electron
6. The acceleration of a body experiencing uniform circular motion. This acceleration is always directed toward the center of the circle.
Centripetal acceleration
Directly proportional
Convection
Radius of curvature
7. A process that aligns a wave of light to oscillate in one dimension rather than two.
Decibel
Magnification
Center of curvature
Polarization
8. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Mass number
Inclined plane
Center of mass
Instantaneous velocity
9. 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
Pascals
Spring constant
Third Law of Thermodynamics
Photoelectric effect
10. A form of radioactive decay where a heavy element emits an alpha particle and some energy - thus transforming into a lighter - more stable - element.
Convection
Alpha decay
Speed
Radiation
11. 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.
Restoring force
Kinematic equations
Angular acceleration
Absolute zero
12. The points of maximum negative displacement along a wave. They are the opposite of wave crests.
Basis vector
Cross product
Beta decay
Trough
13. 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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14. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.
Magnetic flux
Decibel
Centripetal force
Electromagnetic spectrum
15. The energy of a particle moving in space. It is defined in s of a particle's mass - m - and velocity - v - as (1/2)mv2.
Frictional force
Node
Translational kinetic energy
Calorie
16. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Virtual image
Threshold frequency
Thermal energy
Gravitational constant
17. The joule (J) is the unit of work and energy. A joule is 1 N · m or 1 kg · m2/s2.
Joule
Alpha decay
Convex mirror
Concave lens
18. Relates the angle of incidence to the angle of refraction: .
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19. 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.
Orbit
Transverse waves
Acceleration
Longitudinal waves
20. The line that every particle in the rotating rigid body circles about.
Axis of rotation
Tail
Temperature
Electromagnetic spectrum
21. 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
Distance
Significant digits
Rigid body
Charles's Law
22. A transfer of thermal energy. We don't speak about systems "having" heat - but about their "transferring" heat - much in the way that dynamical systems don't "have" work - but rather "do" work.
Isotope
Velocity
Convection
Heat
23. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Neutron
Equilibrium
First Law of Thermodynamics
Rigid body
24. In the graphical representation of vectors - the tip of the arrow is the pointy end.
Translational kinetic energy
Radian
Conduction
Tip
25. The force transmitted along a rope or cable.
Optics
Decay constant
Tension force
Angular displacement
26. 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
Reflection
Heat transfer
Normal force
Vector
27. A small particle-like bundle of electromagnetic radiation.
Photoelectron
Electron
Concave mirror
Photon
28. A form of vector multiplication - where two vectors are multiplied to produce a third vector. The cross product of two vectors - A and B - separated by an angle - - is - where is a unit vector perpendicular to both A and B. To deine which direction
Collision
Cross product
Photon
Translational kinetic energy
29. 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
Beats
Decay constant
Vector
Direction
30. 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
Amplitude
Inertial reference frame
Nuclear fission
Torque
31. 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.
Frequency
Angular frequency
Sublimation
Michelson-Morley experiment
32. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Atom
Inertia
Convex lens
Electromagnetic spectrum
33. An object is called radioactive if it undergoes radioactive decay.
Critical angle
Radioactivity
Potential energy
Free
34. 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
Rarefaction
Radioactivity
Tension force
Transformer
35. The emf created by the motion of a charge through a magnetic field.
Motional emf
Coefficient of volume expansion
Translational kinetic energy
Rotational motion
36. The phenomenon of light bouncing off a surface - such as a mirror.
Reflection
Latent heat of transformation
Radioactive decay
Gamma ray
37. 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.
Force
De Broglie wavelength
Weightlessness
Centripetal force
38. The motion of a body in a circular path with constant speed.
Uniform circular motion
Center of curvature
Vector
Boiling point
39. The force that binds protons and neutrons together in the atomic nucleus.
Electromagnetic induction
Rotational kinetic energy
Isolated system
Strong nuclear force
40. 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
Nuclear fusion
Mechanical energy
Scalar
Heat transfer
41. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Power
Law of conservation of energy
Zeroth Law of Thermodynamics
Charles's Law
42. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Radius of curvature
Margin of error
Latent heat of sublimation
Focal length
43. When dealing with reflection or refraction - the incident ray is the ray of light before it strikes the reflecting or refracting surface.
Tip
Polarization
Incident ray
Lenz's Law
44. In an interference or diffraction pattern - the places where there is the most light.
Maxima
Coefficient of kinetic friction
Photoelectron
Law of reflection
45. 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
Coefficient of kinetic friction
Traveling waves
Chain reaction
Directly proportional
46. Another word for the frequency of a sound wave.
Spring
Faraday's Law
Pitch
Radioactivity
47. Also called a diverging lens - a lens that is thinner in the middle than at the edges. Concave lenses refract light away from a focal point.
Concave lens
Law of conservation of energy
Angle of refraction
Phase
48. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Unit vector
Concave mirror
Efficiency
Angle of refraction
49. The angle between a reflected ray and the normal.
Gravitational Potential Energy
Angle of reflection
Index of refraction
Velocity
50. 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
Diffraction grating
Antinode
Second Law of Thermodynamics
Maxima