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Test your basic knowledge |
SAT Subject Test: hysics
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Subjects
:
sat
,
science
,
physics
Instructions:
Answer 50 questions in 15 minutes.
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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 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.
Angular frequency
Half
Displacement
Celsius
2. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Latent heat of transformation
Diffraction
Inclined plane
Newton's Third Law
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 -
Rotational kinetic energy
Rarefaction
Third Law of Thermodynamics
Completely inelastic collision
4. The constant of proportionality in Newton's Law of Gravitation. It reflects the proportion of the gravitational force and - the product of two particles' masses divided by the square of the bodies' separation. N · m2/kg2.
Convex mirror
Gravitational constant
Reflected ray
Work-energy theorem
5. For a heat engine - the ratio of work done by the engine to heat intake. Efficiency is never 100%.
Minima
Heat engine
Real image
Efficiency
6. The disorder of a system.
Acceleration
Entropy
Pulley
Inclined plane
7. The state of a nonrotating object upon whom the net torque acting is zero.
Newton's First Law
Equilibrium
Strong nuclear force
Bohr atomic model
8. A conserved scalar quantity associated with the state or condition of an object or system of objects. We can roughly define energy as the capacity for an object or system to do work. There are many different types of energy - such as kinetic energy -
Energy
Boiling point
Celsius
Coefficient of static friction
9. 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.
Law of reflection
Zeroth Law of Thermodynamics
Quark
Dispersion
10. A process that aligns a wave of light to oscillate in one dimension rather than two.
Polarization
Wavelength
De Broglie wavelength
Neutrino
11. The temperature at which a material will change phase from liquid to gas or gas to liquid.
Boiling point
Force
Conduction
Heat transfer
12. The stable position of a system where the net force acting on the object is zero.
System
Equilibrium position
Cycle
Inelastic collision
13. When dealing with reflection or refraction - the incident ray is the ray of light before it strikes the reflecting or refracting surface.
Electric generator
Incident ray
Kepler's First Law
Moment of inertia
14. The force transmitted along a rope or cable.
Reflect
Weightlessness
Tension force
Maxima
15. A form of radioactive decay where a heavy element emits an alpha particle and some energy - thus transforming into a lighter - more stable - element.
Polarization
Unit vector
Proton
Alpha decay
16. 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.
Decibel
Potential energy
Translational kinetic energy
Thermal energy
17. 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.
Heat
Sublimation
Mass
Convex mirror
18. A vector quantity - - that reflects the change of angular displacement with time - and is typically given in units of rad/s. To find the direction of the angular velocity vector - take your right hand and curl your fingers along the particle or body
Static friction
Charles's Law
Angular velocity
Energy
19. 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.
Maxima
Beta particle
Optics
Momentum
20. The building blocks of all matter - quarks are the constituent parts of protons - neutrons - and mesons.
Equilibrium
Tail
Electric generator
Quark
21. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Elastic collision
Basis vector
Law of conservation of energy
Neutrino
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.
Isolated system
Meson
Newton's Second Law
Centripetal force
23. In a right triangle - the tangent of a given angle is the length of the side opposite the angle divided by the length of the side adjacent to the triangle.
Boyle's Law
Equilibrium
Kepler's Second Law
Tangent
24. A scalar quantity that tells us how fast an object is moving. It measures the rate of change in distance over time. Speed is to be contrasted with velocity in that there is no direction associated with speed.
Inclined plane
Elastic collision
Decibel
Speed
25. The line perpendicular to a surface. There is only one normal for any given surface.
Pascals
Frequency
Normal
Convex lens
26. In an interference or diffraction pattern - the places where there is the most light.
Margin of error
Radioactivity
Electromagnetic induction
Maxima
27. A transfer of thermal energy from one system to another.
Heat transfer
Entropy
Hypotenuse
Efficiency
28. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Proton
Center of curvature
Zeroth Law of Thermodynamics
Half
29. The speed at which a wave crest or trough propagates. Note that this is not the speed at which the actual medium (like the stretched string or the air particles) moves.
Energy
Neutrino
Wave speed
Decay constant
30. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Pendulum
Heat
Coefficient of linear expansion
Spring
31. 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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32. 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.
Loudness
Force
Gamma decay
Kinetic theory of gases
33. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Restoring force
Proton
Electromagnetic wave
Conservation of Angular Momentum
34. A constant in the numerator of a formula.
Convex mirror
Ideal gas law
Constant of proportionality
Centripetal force
35. In the graphical representation of vectors - the tip of the arrow is the pointy end.
Threshold frequency
Traveling waves
Sound
Tip
36. The movement of a rigid body's center of mass in space.
Coefficient of kinetic friction
Translational motion
Distance
Angular period
37. 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.
Tangent
Maxima
Virtual image
Radian
38. Also called a diverging lens - a lens that is thinner in the middle than at the edges. Concave lenses refract light away from a focal point.
Instantaneous velocity
Phase change
Concave lens
Angle of incidence
39. 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 - .
Dynamics
Entropy
Fundamental
Impulse
40. A pendulum consists of a bob connected to a rod or rope. At small angles - a pendulum's motion approximates simple harmonic motion as it swings back and forth without friction.
Pendulum
Decibel
Spectroscope
Beta particle
41. The number - N - of neutrons in an atomic nucleus.
Neutron number
Polarization
Legs
Angle of reflection
42. 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
Inelastic collision
Threshold frequency
Cycle
Real image
43. Energy associated with the state of motion. The translational kinetic energy of an object is given by the equation .
Law of reflection
Ground state
Gold foil experiment
Kinetic energy
44. 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
Angle of reflection
Boiling point
Angle of refraction
45. The distance between the focal point and the vertex of a mirror or lens. For concave mirrors and convex lenses - this number is positive. For convex mirrors and concave lenses - this number is negative.
Work
Focal length
Minima
Planck's constant
46. 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.
Medium
Center of mass
Kinetic friction
Lenz's Law
47. Two materials are in thermal equilibrium if they are at the same temperature.
Magnification
Spectroscope
Thermal equilibrium
Dispersion
48. 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.
Concave mirror
Instantaneous velocity
Melting point
Newton's Second Law
49. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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50. A body or set of bodies that we choose to analyze as a group.
Proton
Vector
System
Hertz (Hz)
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