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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 vector quantity defined as the rate of change of the velocity vector with time.
Restoring force
Traveling waves
Acceleration
Diffraction
2. Heat transfer via electromagnetic waves.
Neutrino
Second Law of Thermodynamics
Radiation
Boiling point
3. A collision in which both kinetic energy and momentum are conserved.
Spectroscope
Work function
Elastic collision
Pulley
4. The angle between a reflected ray and the normal.
Inclined plane
Angle of reflection
Center of curvature
Newton's Second Law
5. 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.
Entropy
Newton's Second Law
Significant digits
Moment of inertia
6. Represented by R = 8.31 J/mol · K - the universal gas constant fits into the ideal gas law so as to relate temperature to the average kinetic energy of gas molecules.
Universal gas constant
Mass number
Impulse
Photoelectric effect
7. A collision in which the colliding particles stick together.
Transverse waves
Reflect
Deposition
Completely inelastic collision
8. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Quark
Uniform circular motion
Instantaneous velocity
Atomic number
9. A form of radioactivity where an excited atom releases a photon of gamma radiation - thereby returning to a lower energy state. The atomic structure itself does not change in the course of gamma radiation.
Gamma decay
Induced current
Impulse
Harmonic series
10. 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.
Antinode
Efficiency
Angular position
Tension force
11. 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.
Basis vector
Node
Third Law of Thermodynamics
Convection
12. A vector quantity - L - that is the rotational analogue of linear momentum. For a single particle - the angular momentum is the cross product of the particle's displacement from the axis of rotation and the particle's linear momentum - . For a rigid
Angular position
Pendulum
Angular momentum
Beats
13. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Radian
Constant of proportionality
Collision
Work function
14. An equation - PV = nRT - that relates the pressure - volume - temperature - and quantity of an ideal gas. An ideal gas is one that obeys the approximations laid out in the kinetic theory of gases.
Alpha particle
Ideal gas law
Chain reaction
Diffraction
15. 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
Newton's Law of Universal Gravitation
Gravitational Potential Energy
Wave
Gamma ray
16. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Critical angle
Axis of rotation
Wavelength
Mole
17. A constant - J · s - which is useful in quantum physics. A second constant associated with Planck's constant is .
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18. In an interference or diffraction pattern - the places where there is the most light.
Maxima
Speed
Chain reaction
Beats
19. A body or set of bodies that we choose to analyze as a group.
System
Half
Third Law of Thermodynamics
Energy
20. A system with many parts in periodic - or repetitive - motion. The oscillations in one part cause vibrations in nearby parts.
Thermal equilibrium
Maxima
Chain reaction
Wave
21. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Spring
Torque
Second Law of Thermodynamics
Transverse waves
22. A class of elementary particle whose mass is between that of a proton and that of an electron. A common kind of meson is the pion.
Meson
Fundamental
Heat
Magnitude
23. An object at rest remains at rest - unless acted upon by a net force. An object in motion remains in motion - unless acted upon by a net force.
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24. The energy stored in a thermodynamic system.
Internal energy
Atom
Compression
Cosine
25. States that the current induced in a circuit by a change in magnetic flux is in the direction that will oppose that change in flux. Using the right-hand rule - point your thumb in the opposite direction of the change in magnetic flux. The direction y
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26. 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
Boiling point
Harmonic series
Nuclear fission
Kepler's Second Law
27. A collision in which momentum is conserved but kinetic energy is not.
Induced current
Normal force
Inelastic collision
Angular momentum
28. 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.
Minima
Weightlessness
Real image
Impulse
29. With spherical mirrors - the radius of the sphere of which the mirror is a part.
Radius of curvature
Tangent
Chain reaction
First Law of Thermodynamics
30. The amplification of one wave by another - identical wave of the same sign. Two constructively interfering waves are said to be "in phase."
Rotational kinetic energy
Antinode
Constructive interference
Tip
31. An object that retains its overall shape - meaning that the particles that make up the rigid body stay in the same position relative to one another.
Threshold frequency
Constructive interference
Rigid body
Displacement
32. The bending of light at the corners of objects or as it passes through narrow slits or apertures.
Incident ray
Inclined plane
Diffraction
Weak nuclear force
33. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Uncertainty principle
Ground state
Coefficient of linear expansion
Neutrino
34. 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
Dynamics
Radioactivity
Second Law of Thermodynamics
Scalar
35. The center of a mirror or lens.
Rigid body
Faraday's Law
Loudness
Vertex
36. 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
Equilibrium
Inertia
Potential energy
Uncertainty principle
37. 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.
Magnitude
Angular displacement
Beats
Reflected ray
38. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Incident ray
Energy
Hooke's Law
Efficiency
39. A unit vector is a vector with length 1.
Radiation
Harmonic series
Unit vector
Meson
40. 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.
Atomic number
Magnitude
Angular period
Beta particle
41. 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.
Loudness
Inversely proportional
Diffraction grating
Kinematics
42. 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.
Mass defect
Cosine
Magnetic flux
Beats
43. The longest side of a right triangle - opposite to the right angle.
Sound
Hypotenuse
Margin of error
Work
44. Any vector can be expressed as the sum of two mutually perpendicular component vectors. Usually - but not always - these components are multiples of the basis vectors - and ; that is - vectors along the x-axis and y-axis. We define these two vectors
Completely inelastic collision
Component
Radioactivity
Decibel
45. A force caused by the roughness of two materials in contact - deformations in the materials - and a molecular attraction between the materials. Frictional forces are always parallel to the plane of contact between two surfaces and opposite the direct
Frictional force
Unit vector
Period
Rarefaction
46. A particle - identical to an electron. Beta particles are ejected from an atom in the process of beta decay.
Beta particle
Force
Angular velocity
Zeroth Law of Thermodynamics
47. 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.
Vertex
Transverse waves
Uncertainty principle
Rotational motion
48. 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.
Convex mirror
Real image
Virtual image
Second Law of Thermodynamics
49. The spectrum containing all the different kinds of electromagnetic waves - ranging in wavelength and frequency.
Potential energy
Dot product
Electromagnetic spectrum
Reflection
50. The amount heat necessary to cause a substance to undergo a phase transition.
Sublimation
Kinematics
Latent heat of transformation
Reflect