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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. Two quantities are directly proportional if an increase in one results in a proportional increase in the other - and a decrease in one results in a proportional decrease in the other. In a formula defining a certain quantity - those quantities to whi
Directly proportional
Beats
Mass
Quark
2. The dot product of the area and the magnetic field passing through it. Graphically - it is a measure of the number and length of magnetic field lines passing through that area. It is measured in Webers (Wb).
Angle of refraction
Magnetic flux
Conduction
Longitudinal waves
3. A measurement of a body's inertia - or resistance to being accelerated.
Mass
Maxima
Free
Electromagnetic spectrum
4. 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.
Work
Kepler's First Law
Isolated system
Force
5. When an object is held in circular motion about a massive body - like a planet or a sun - due to the force of gravity - that object is said to be in orbit. Objects in orbit are in perpetual free fall - and so are therefore weightless.
Cycle
Orbit
Center of mass
Angular velocity
6. The line perpendicular to a surface. There is only one normal for any given surface.
Tip
Absolute zero
Angular displacement
Normal
7. The amount of heat necessary to transform a liquid at a given temperature into a gas of the same temperature - or the amount of heat needed to be taken away from a gas of a given temperature to transform it into a liquid of the same temperature.
Absolute zero
Axis of rotation
Third Law of Thermodynamics
Latent heat of vaporization
8. The acceleration of a body experiencing uniform circular motion. This acceleration is always directed toward the center of the circle.
Centripetal acceleration
Scalar
Phase change
Photon
9. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Strong nuclear force
Work
Compression
Critical angle
10. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Electron
Trough
Spring
Heat transfer
11. In a right triangle - the sine of a given angle is the length of the side opposite the angle divided by the length of the hypotenuse.
Antinode
Hypotenuse
Alpha particle
Sine
12. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Isolated system
Work function
Centripetal force
Neutron
13. 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
Radioactivity
Second Law of Thermodynamics
Inelastic collision
Normal
14. 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.
Newton's Third Law
Normal force
Harmonic series
Magnification
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.
Total internal reflection
Thermal equilibrium
Inertial reference frame
Translational kinetic energy
16. The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Kinematic equations
Activity
Photoelectric effect
Concave lens
17. If two systems - A and B - are in thermal equilibrium and if B and C are also in thermal equilibrium - then systems A and C are necessarily in thermal equilibrium.
Zeroth Law of Thermodynamics
Latent heat of sublimation
Angular displacement
Photon
18. The straight line that runs through the focal point and the vertex of a mirror or lens.
Principal axis
Power
Planck's constant
Normal
19. A mirror that is curved such that its center is closer to the viewer than the edges - such as a doorknob. Convex mirrors reflect light away from a focal point.
Transformer
Efficiency
Convex mirror
Refraction
20. In an interference or diffraction pattern - the places where there is the most light.
Maxima
Orbit
Atomic number
Kelvin
21. The net change - - in a point's angular position - . It is a scalar quantity.
Angular displacement
Equilibrium position
Nuclear fission
Radius of curvature
22. States that the net work done on an object is equal to the object's change in kinetic energy.
Decay constant
Work-energy theorem
Radius of curvature
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 distance between successive wave crests - or troughs. Wavelength is measured in meters and is related to frequency and wave speed by = v/f.
Wavelength
Electromagnetic induction
Thermal equilibrium
Beta decay
25. 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.
Electromagnetic spectrum
Refracted ray
Real image
Frictional force
26. 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.
Vector
Kinetic friction
Cosine
Half
27. 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.
Period
Destructive interference
Zeroth Law of Thermodynamics
Work
28. The points on a standing wave where total destructive interference causes the medium to remain fixed at its equilibrium position.
Node
Mechanical energy
Coefficient of kinetic friction
Decay constant
29. 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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30. The time it takes a system to pass through one cycle of its repetitive motion. The period - T - is the inverse of the motion's frequency - f = 1/T.
Magnetic flux
Inversely proportional
Period
Significant digits
31. A vector quantity defined as the rate of change of the velocity vector with time.
Acceleration
Newton's First Law
Conservation of Angular Momentum
Trough
32. A transfer of thermal energy from one system to another.
Pendulum
Electromagnetic induction
Heat transfer
Thermal equilibrium
33. A vector quantity defined as the product of the force acting on a body multiplied by the time interval over which the force is exerted.
Impulse
Mass defect
Conservation of momentum
Zeroth Law of Thermodynamics
34. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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35. A small particle-like bundle of electromagnetic radiation.
Elastic collision
Internal energy
Photon
Speed
36. The current induced in a circuit by a change in magnetic flux.
Kinetic theory of gases
Reflect
Induced current
Normal force
37. A body or set of bodies that we choose to analyze as a group.
Spring
System
Deposition
Tail
38. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Celsius
Phase
Concave lens
Boiling point
39. 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.
Entropy
Newton
Acceleration
Standing wave
40. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Lenz's Law
Celsius
Hertz (Hz)
Absolute zero
41. For a gas held at a constant temperature - pressure and volume are inversely proportional.
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42. 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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43. 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
Kepler's Third Law
Radiation
Electromagnetic induction
44. The angle between a reflected ray and the normal.
Threshold frequency
Orbit
Electron
Angle of reflection
45. 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.
Ideal gas law
Basis vector
Node
Kinematic equations
46. 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
Law of conservation of energy
Potential energy
Gamma decay
Dot product
47. The longest side of a right triangle - opposite to the right angle.
Hypotenuse
Electric generator
Michelson-Morley experiment
Impulse
48. The number of hydrogen atoms in one gram of hydrogen - equal to . When counting the number of molecules in a gas - it is often convenient to count them in moles.
Constant of proportionality
Half
Refracted ray
Mole
49. Relates the angle of incidence to the angle of refraction: .
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50. The series of standing waves supported by a string with both ends tied down. The first member of the series - called the fundamental - has two nodes at the ends and one anti-node in the middle. The higher harmonics are generated by placing an integra
Weber
Isolated system
Harmonic series
Component