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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 ray of light that is reflected from a mirror or other reflecting surface.
Quark
Reflected ray
Heat engine
Kinetic energy
2. A unit of measurement for energy on atomic levels. 1 eV = J.
Frictional force
Zeroth Law of Thermodynamics
Electronvolt
Static friction
3. The principle stating that for any isolated system - linear momentum is constant with time.
Angular displacement
Constant of proportionality
Refraction
Conservation of momentum
4. 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.
Work-energy theorem
Boiling point
Beats
Magnitude
5. 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.
Electronvolt
Electric generator
Diffraction
Michelson-Morley experiment
6. 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
Radioactivity
Convex mirror
Spring constant
Normal force
7. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Mechanical energy
Inelastic collision
Critical angle
Newton
8. Linear momentum - p - commonly called "momentum" for short - is a vector quantity defined as the product of an object's mass - m - and its velocity - v.
Momentum
Temperature
Completely inelastic collision
Pressure
9. 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.
Total internal reflection
Displacement
Kelvin
Traveling waves
10. The disorder of a system.
Entropy
Diffraction
Translational kinetic energy
Angle of reflection
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
Acceleration
Inertial reference frame
Constructive interference
Inelastic collision
12. Light such that all of the associated waves have the same wavelength and are in phase.
Coherent light
Tangent
Refracted ray
Inclined plane
13. A transfer of thermal energy from one system to another.
Heat transfer
Beta particle
Newton's Third Law
Pascals
14. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Radius of curvature
Angular displacement
Kepler's First Law
Angle of incidence
15. Energy cannot be made or destroyed; energy can only be changed from one place to another or from one form to another.
Law of conservation of energy
Tip
Rarefaction
Reflection
16. States that the net work done on an object is equal to the object's change in kinetic energy.
De Broglie wavelength
Gravitational Potential Energy
Right-hand rule
Work-energy theorem
17. Waves that oscillate in the same direction as the propagation of the wave. Sound is carried by longitudinal waves - since the air molecules move back and forth in the same direction the sound travels.
Nuclear fission
Speed
Bohr atomic model
Longitudinal waves
18. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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19. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Spring constant
Threshold frequency
Doppler shift
Rotational kinetic energy
20. The number - N - of neutrons in an atomic nucleus.
Meson
Neutron number
Radiation
Thermal energy
21. A constant in the numerator of a formula.
Constant of proportionality
Thermal equilibrium
Chain reaction
Dot product
22. 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.
Inelastic collision
Tip
Michelson-Morley experiment
Kinetic friction
23. The energy of a particle rotating around an axis.
Nuclear fusion
Temperature
Rotational kinetic energy
Distance
24. 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.
Sublimation
Efficiency
Atomic number
Hypotenuse
25. The property by which a charge moving in a magnetic field creates an electric field.
Angle of reflection
Angular momentum
First Law of Thermodynamics
Electromagnetic induction
26. A push or a pull that causes an object to accelerate.
Angle of refraction
Electromagnetic wave
Force
Law of reflection
27. 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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28. 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.
Translational kinetic energy
Kinematic equations
Basis vector
Faraday's Law
29. 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
Transformer
Wavelength
Electron
Proton
30. The path of each planet around the sun is an ellipse with the sun at one focus.
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31. 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.
Elastic collision
Compression
Angular frequency
Latent heat of fusion
32. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Refracted ray
Angle of refraction
Newton
Axis of rotation
33. With spherical mirrors - the center of the sphere of which the mirror is a part. All of the normals pass through it.
Center of curvature
Work
Phase
Convection
34. When dealing with reflection or refraction - the incident ray is the ray of light before it strikes the reflecting or refracting surface.
Latent heat of fusion
Newton's Third Law
Incident ray
Latent heat of vaporization
35. 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
Work function
Kinematics
Vector
Activity
36. A coefficient that tells how much a material will expand or contract lengthwise when it is heated or cooled.
Coefficient of linear expansion
Gamma decay
Threshold frequency
Real image
37. 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
Rotational kinetic energy
Scalar
Unit vector
38. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Absolute zero
Latent heat of sublimation
Kelvin
Maxima
39. The ray of light that is refracted through a surface into a different medium.
Spring constant
Refracted ray
Strong nuclear force
Moment of inertia
40. A form of radioactive decay where a heavy element ejects a beta particle and a neutrino - becoming a lighter element in the process.
Beta decay
Weight
Center of mass
Uncertainty principle
41. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Focal length
Spring
Decay constant
Index of refraction
42. The longest side of a right triangle - opposite to the right angle.
Power
Cross product
Hypotenuse
Angle of incidence
43. An image created by a mirror or lens in such a way that light does actually come from where the image appears to be. If you place a screen in front of a real image - the image will be projected onto the screen.
Thermal equilibrium
Heat engine
Real image
Radius of curvature
44. 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
Magnification
Nucleus
Kinetic energy
45. 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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46. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Rotational motion
Completely inelastic collision
Restoring force
Vertex
47. Energy associated with an object's position in space - or configuration in relation to other objects. This is a latent form of energy - where the amount of potential energy reflects the amount of energy that potentially could be released as kinetic e
Velocity
Potential energy
Equilibrium
Focal length
48. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Work function
Weber
Celsius
Bohr atomic model
49. 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
Potential energy
Distance
Displacement
Nucleus
50. A system that no external net force acts upon. Objects within the system may exert forces upon one another - but they cannot receive any impulse from outside forces. Momentum is conserved in isolated systems.
Radian
Equilibrium
Isolated system
Radiation