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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 transverse traveling wave created by the oscillations of an electric field and a magnetic field. Electromagnetic waves travel at the speed of light - m/s. Examples include microwaves - X rays - and visible light.
Electromagnetic wave
Centripetal acceleration
Destructive interference
Tangent
2. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Angle of incidence
Alpha decay
Spring constant
Distance
3. The number - N - of neutrons in an atomic nucleus.
Hooke's Law
Neutron number
Coefficient of volume expansion
Uniform circular motion
4. 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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5. A form of vector multiplication - where two vectors are multiplied to produce a scalar. The dot product of two vectors - A and B - is expressed by the equation A · B = AB cos .
Centripetal acceleration
Weak nuclear force
Uncertainty principle
Dot product
6. The points on a standing wave where total destructive interference causes the medium to remain fixed at its equilibrium position.
Law of reflection
Atom
Period
Node
7. 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.
Atom
Angle of refraction
Significant digits
Translational kinetic energy
8. An electromagnetic wave of very high frequency.
Angular position
Gamma ray
Latent heat of vaporization
Kepler's First Law
9. The velocity at any given instant in time. To be contrasted with average velocity - which is a measure of the change in displacement over a given time interval.
Instantaneous velocity
Chain reaction
Kelvin
Nucleus
10. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Mole
Speed
Proton
Gold foil experiment
11. A vector quantity defined as the rate of change of the displacement vector with time. It is to be contrasted with speed - which is a scalar quantity for which no direction is specified.
Gravitational constant
Celsius
Radioactivity
Velocity
12. A unit vector is a vector with length 1.
Acceleration
Diffraction
Unit vector
Inertial reference frame
13. A device that converts mechanical energy to electrical energy by rotating a coil in a magnetic field; sometimes called a "dynamo."
Mass number
Charles's Law
Electric generator
Proton
14. 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.
Newton's Law of Universal Gravitation
Virtual image
Significant digits
Displacement
15. The index of refraction n = c/v of a substance characterizes the speed of light in that substance - v. It also characterizes - by way of Snell's Law - the angle at which light refracts in that substance.
Induced current
Phase change
Conduction
Index of refraction
16. When objects collide - each object feels a force for a short amount of time. This force imparts an impulse - or changes the momentum of each of the colliding objects. The momentum of a system is conserved in all kinds of collisions. Kinetic energy is
Snell's Law
Collision
Transverse waves
Planck's constant
17. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Dynamics
Isotope
Nucleus
Impulse
18. A push or a pull that causes an object to accelerate.
Acceleration
Pressure
Orbit
Force
19. The property by which a charge moving in a magnetic field creates an electric field.
Frictional force
Antinode
Decibel
Electromagnetic induction
20. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Critical angle
Distance
Law of reflection
Calorie
21. The amount of error that's possible in a given measurement.
Velocity
Law of reflection
Margin of error
Incident ray
22. The two shorter sides of a right triangle that meet at the right angle.
Induced current
Amplitude
Legs
Restoring force
23. When a solid - liquid - or gas changes into another phase of matter.
Center of curvature
Gold foil experiment
Phase change
Induced current
24. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Inclined plane
Quark
Latent heat of transformation
Lenz's Law
25. The points midway between nodes on a standing wave - where the oscillations are largest.
Antinode
Amplitude
Electromagnetic wave
Rotational motion
26. The mass number - A - is the sum of the number of protons and neutrons in a nucleus. It is very close to the weight of that nucleus in atomic mass units.
Mass number
Gamma ray
Concave lens
Alpha decay
27. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Pulley
Destructive interference
Radian
Equilibrium position
28. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Hertz (Hz)
Boyle's Law
Alpha particle
Kinetic energy
29. 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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30. In an interference or diffraction pattern - the places where there is the least light.
Activity
Superposition
Equilibrium position
Minima
31. 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
Chain reaction
Celsius
Vertex
Real image
32. A small particle-like bundle of electromagnetic radiation.
Latent heat of fusion
Photon
Mass defect
Frequency
33. The movement of a rigid body's center of mass in space.
Translational motion
Critical angle
Magnification
Node
34. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Energy
Threshold frequency
Sublimation
Rotational motion
35. The phenomenon of light bouncing off a surface - such as a mirror.
Reflection
Unit vector
Coefficient of kinetic friction
Normal
36. The gravitational force exerted on a given mass.
Momentum
Nuclear fusion
Weight
Latent heat of fusion
37. The square of the amplitude of a sound wave is called the sound's loudness - or volume.
Center of curvature
Radian
Specific heat
Loudness
38. A wave on a string that is tied to a pole at one end will reflect back toward its source - producing a wave that is the mirror-image of the original and which travels in the opposite direction.
Heat engine
Weak nuclear force
Nucleus
Reflect
39. The principle by which the displacements from different waves traveling in the same medium add up. Superposition is the basis for interference.
De Broglie wavelength
Cosine
Superposition
Tangent
40. An object cannot be cooled to absolute zero.
Constructive interference
Kelvin
Tangent
Third Law of Thermodynamics
41. The reaction force of the ground - a table - etc. - when an object is placed upon it. The normal force is a direct consequence of Newton's Third Law: when an object is placed on the ground - the ground pushes back with the same force that it is pushe
Normal force
Wave
Longitudinal waves
Ideal gas law
42. The force that binds protons and neutrons together in the atomic nucleus.
Photoelectron
Chain reaction
Meson
Strong nuclear force
43. A means of defining the direction of the cross product vector. To define the direction of the vector - position your right hand so that your fingers point in the direction of A - and then curl them around so that they point in the direction of B. Th
Cosine
Work-energy theorem
Right-hand rule
Quark
44. The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Law of reflection
Dot product
Half
Kinematic equations
45. Light such that all of the associated waves have the same wavelength and are in phase.
Polarization
Sine
Calorie
Coherent light
46. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Motional emf
Pitch
Work function
Angular displacement
47. The standing wave with the lowest frequency that is supported by a string with both ends tied down is called the fundamental - or resonance - of the string. The wavelength of the fundamental is twice the length of the string - .
De Broglie wavelength
Conduction
Fundamental
Tangent
48. 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.
Celsius
Center of mass
Temperature
Basis vector
49. 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
Coefficient of static friction
Distance
Maxima
Electromagnetic induction
50. A constant in the numerator of a formula.
Speed
Constant of proportionality
Atomic number
Latent heat of transformation