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SAT Subject Test: hysics
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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 amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Latent heat of transformation
Gravitational constant
Equilibrium
Calorie
2. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Legs
Radiation
Coefficient of static friction
Newton
3. 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 -
Radiation
Calorie
Rarefaction
Normal force
4. The effect of force on rotational motion.
Conduction
Torque
Constant of proportionality
Sublimation
5. 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
Beta decay
Node
Kinetic energy
6. 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.
Pitch
Angular position
Displacement
Phase
7. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Moment of inertia
Work function
Radius of curvature
Dynamics
8. The bending of light at the corners of objects or as it passes through narrow slits or apertures.
Mass number
Diffraction
Joule
Weightlessness
9. 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.
Planck's constant
Destructive interference
Bohr atomic model
Longitudinal waves
10. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Sublimation
Isolated system
Inertia
Translational kinetic energy
11. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Electron
Deposition
Mechanical energy
Instantaneous velocity
12. A sheet - film - or screen with a pattern of equally spaced slits. Typically the width of the slits and space between them is chosen to generate a particular diffraction pattern.
Direction
Latent heat of sublimation
Radioactive decay
Diffraction grating
13. Heat transfer by molecular collisions.
Latent heat of vaporization
Electromagnetic wave
Conduction
Half
14. The number - N - of neutrons in an atomic nucleus.
Wave
Law of conservation of energy
Kinematic equations
Neutron number
15. In oscillation - a cycle occurs when an object undergoing oscillatory motion completes a "round-trip." For instance - a pendulum bob released at angle has completed one cycle when it swings to and then back to again. In period motion - a cycle is the
Vector
Frequency
Cross product
Cycle
16. 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.
Gravitational Potential Energy
Alpha particle
Internal energy
Focal length
17. 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
Neutrino
Electromagnetic wave
Focal point
Harmonic series
18. Another word for the frequency of a sound wave.
Atom
Node
Weight
Pitch
19. The straight line that runs through the focal point and the vertex of a mirror or lens.
Principal axis
Cross product
Faraday's Law
Activity
20. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Destructive interference
Tip
Threshold frequency
Ideal gas law
21. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Virtual image
Acceleration
Electromagnetic wave
Quark
22. 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.
Concave mirror
Speed
Momentum
Pendulum
23. A negatively charged particle that orbits the nucleus of the atom.
Newton
Ideal gas law
Electron
Wave
24. 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.
Focal point
Michelson-Morley experiment
Angular position
Superposition
25. The force that binds protons and neutrons together in the atomic nucleus.
Beta decay
Strong nuclear force
Force
Real image
26. 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
Virtual image
Direction
Rutherford nuclear model
Loudness
27. The amount of error that's possible in a given measurement.
Acceleration
Margin of error
Atomic number
Sine
28. A principle derived by Werner Heisenberg in 1927 that tells us that we can never know both the position and the momentum of a particle at any given time.
Speed
Pressure
Angular velocity
Uncertainty principle
29. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Angular frequency
Antinode
Mass number
Radian
30. A body or set of bodies that we choose to analyze as a group.
Significant digits
System
Sine
Static friction
31. A collision in which the colliding particles stick together.
Angle of reflection
Completely inelastic collision
Kinetic energy
Temperature
32. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Inclined plane
Angular frequency
Longitudinal waves
Superposition
33. 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.
Destructive interference
Power
Critical angle
Standing wave
34. A nuclear reaction in which a high-energy neutron bombards a heavy - unstable atomic nucleus - causing it to split into two smaller nuclei - and releasing some neutrons and a vast amount of energy at the same time
Power
Harmonic series
Entropy
Nuclear fission
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.
Latent heat of sublimation
Gold foil experiment
Moment of inertia
Crest
36. 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.
Oscillation
Angular acceleration
Conservation of momentum
Thermal energy
37. Kinematics is the study and description of the motion of objects.
Conservation of Angular Momentum
Entropy
Kinematics
Spring
38. A push or a pull that causes an object to accelerate.
Michelson-Morley experiment
Force
Sublimation
Third Law of Thermodynamics
39. The phenomenon by which light traveling from a high n to a low n material will reflect from the optical interface if the incident angle is greater than the critical angle.
Weightlessness
Focal point
Meson
Total internal reflection
40. 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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41. 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
Snell's Law
Electron
Phase
42. The gravitational force exerted on a given mass.
Angular frequency
Weight
Chain reaction
Tail
43. 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.
Rotational motion
Period
Frequency
Optics
44. 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.
Angular period
Heat engine
Reflection
Alpha decay
45. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Displacement
Spectroscope
Photoelectron
Nucleus
46. 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.
Doppler shift
Atomic number
Convex mirror
Basis vector
47. The line that every particle in the rotating rigid body circles about.
Elastic collision
Heat engine
Neutron number
Axis of rotation
48. 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.
Latent heat of vaporization
Angular frequency
Rotational motion
Calorie
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
Snell's Law
Displacement
Electromagnetic wave
Universal gas constant
50. 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.
Angle of incidence
Ideal gas law
Convex lens
Uniform circular motion
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