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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 collision in which the colliding particles stick together.
Instantaneous velocity
Pascals
Completely inelastic collision
Decay constant
2. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Spring
Static friction
Mutual Induction
Pascals
3. 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
Collision
Displacement
Third Law of Thermodynamics
Gamma decay
4. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Tip
Inelastic collision
Nucleus
Law of reflection
5. Relates the angle of incidence to the angle of refraction: .
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6. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.
Basis vector
Sound
Electric generator
Internal energy
7. A mirror that is curved such that its center is farther from the viewer than the edges - such as the front of a spoon. Concave mirrors reflect light through a focal point.
Concave mirror
Longitudinal waves
Snell's Law
Meson
8. A logorithmic unit for measuring the volume of sound - which is the square of the amplitude of sound waves.
Spring constant
Simple harmonic oscillator
Decibel
Displacement
9. 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.
Newton
Electron
Phase
Uncertainty principle
10. 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.
Weightlessness
Gold foil experiment
Melting point
Virtual image
11. The force that binds protons and neutrons together in the atomic nucleus.
Harmonic series
Strong nuclear force
Radioactive decay
Heat transfer
12. A transfer of thermal energy from one system to another.
Second Law of Thermodynamics
Sound
Heat transfer
Kinetic theory of gases
13. The disorder of a system.
Convection
Electromagnetic induction
Entropy
Boyle's Law
14. A positively charged particle that - along with the neutron - occupies the nucleus of the atom.
Concave mirror
Mechanical energy
Concave lens
Proton
15. 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.
Acceleration
Mass number
Destructive interference
Dynamics
16. A device made of two coils - which converts current of one voltage into current of another voltage. In a step-up transformer - the primary coil has fewer turns than the secondary - thus increasing the voltage. In a step-down transformer - the seconda
Static friction
Angle of incidence
Transformer
Electric generator
17. Heat transfer via electromagnetic waves.
Radiation
Third Law of Thermodynamics
Angle of refraction
Period
18. 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
Proton
Instantaneous velocity
Free
19. A measurement of a body's inertia - or resistance to being accelerated.
Equilibrium position
Sine
Mass
De Broglie wavelength
20. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Internal energy
Activity
Calorie
Pendulum
21. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Kinetic energy
Photon
Gold foil experiment
Spectroscope
22. 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
Optics
Mole
Inelastic collision
23. A body or set of bodies that we choose to analyze as a group.
Isolated system
Focal length
System
Neutron
24. 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.
Angular position
Alpha particle
Index of refraction
Weber
25. 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.
Angular displacement
Latent heat of vaporization
Concave mirror
Translational motion
26. A negatively charged particle that orbits the nucleus of the atom.
Oscillation
Trough
Electron
Dot product
27. The amount of heat of a material required to raise the temperature of either one kilogram or one gram of that material by one degree Celsius. Different units may be used depending on whether specific heat is measured in s of grams or kilograms - and
Mass defect
Angular acceleration
Specific heat
Hooke's Law
28. A form of radioactive decay where a heavy element emits an alpha particle and some energy - thus transforming into a lighter - more stable - element.
Kinetic friction
Alpha decay
Radius of curvature
Refraction
29. A vector quantity - equal to the rate of change of the angular velocity vector with time. It is typically given in units of rad/s2.
Conduction
Angular acceleration
Translational motion
Equilibrium
30. 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).
Tip
Spring constant
Magnetic flux
Cycle
31. The straight line that runs through the focal point and the vertex of a mirror or lens.
Normal force
Angular period
Period
Principal axis
32. The process by which unstable nuclei spontaneously release particles and/or energy so as to come to a more stable arrangement. The most common forms of radioactive decay are alpha decay - beta decay - and gamma decay.
Rotational motion
Legs
Inclined plane
Radioactive decay
33. A form of radioactive decay where a heavy element ejects a beta particle and a neutrino - becoming a lighter element in the process.
Potential energy
Beta decay
Oscillation
Translational kinetic energy
34. The bending of light as it passes from one medium to another. Light refracts toward the normal when going from a less dense medium into a denser medium and away from the normal when going from a denser medium into a less dense medium.
Neutron number
Newton's Third Law
Tangent
Refraction
35. A vector quantity - or vector - is an object possessing - and fully described by - a magnitude and a direction. Graphically a vector is depicted as an arrow with its magnitude given by the length of the arrow and its direction given by where the arro
Kepler's Third Law
Vector
Mutual Induction
Second Law of Thermodynamics
36. The ray of light that is reflected from a mirror or other reflecting surface.
Direction
Reflected ray
Strong nuclear force
Bohr atomic model
37. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Vector
Angle of incidence
Inclined plane
Normal force
38. 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
Activity
Boyle's Law
Center of mass
Inelastic collision
39. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Minima
Transverse waves
Neutrino
Temperature
40. The two shorter sides of a right triangle that meet at the right angle.
Legs
Law of conservation of energy
Loudness
Mole
41. A transfer of thermal energy. We don't speak about systems "having" heat - but about their "transferring" heat - much in the way that dynamical systems don't "have" work - but rather "do" work.
Center of mass
Heat
Reflection
Ideal gas law
42. 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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43. Indicates how "bouncy" or "stiff" a spring is. More specifically - the spring constant - k - is the constant of proportionality between the restoring force exerted by the spring - and the spring's displacement from equilibrium. The greater the value
Directly proportional
Centripetal acceleration
Threshold frequency
Spring constant
44. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Transverse waves
Newton's First Law
Nuclear fission
Free
45. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Completely inelastic collision
Kinetic theory of gases
Newton
Mass
46. 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.
Orbit
Planck's constant
Uncertainty principle
Tangent
47. 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
Polarization
Frequency
Direction
Angle of refraction
48. States that the net work done on an object is equal to the object's change in kinetic energy.
Component
Work-energy theorem
Newton's First Law
Induced current
49. 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.
Weak nuclear force
Sublimation
Doppler shift
Cosine
50. 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
Collision
Angle of reflection
Beta decay
Newton's Second Law