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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 model for the atom developed in 1913 by Niels Bohr. According to this model - the electrons orbiting a nucleus can only orbit at certain particular radii. Excited electrons may jump to a more distant radii and then return to their ground state - em
Celsius
Kelvin
Sublimation
Bohr atomic model
2. 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
Angular displacement
Spectroscope
Direction
Magnification
3. The amount of heat necessary for a material undergoing sublimation to make a phase change from gas to solid or solid to gas - without a change in temperature.
Meson
Weber
Latent heat of sublimation
Hertz (Hz)
4. In the graphical representation of vectors - the tail of the arrow is the blunt end (the end without a point).
Tail
Unit vector
Centripetal force
Law of reflection
5. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Free
Margin of error
Equilibrium position
Weber
6. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Temperature
Pascals
Simple harmonic oscillator
Doppler shift
7. For two given media - the smallest angle of incidence at which total internal reflection occurs.
Electromagnetic wave
Critical angle
Destructive interference
Chain reaction
8. Kinematics is the study and description of the motion of objects.
Transverse waves
Uniform circular motion
Wave
Kinematics
9. 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
Angle of reflection
Incident ray
Nuclear fission
Radioactivity
10. The energy stored in a thermodynamic system.
Constant of proportionality
Radiation
Coefficient of volume expansion
Internal energy
11. 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 -
Wave speed
Nuclear fission
Strong nuclear force
Energy
12. 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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13. 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
Collision
Critical angle
Cycle
Rotational kinetic energy
14. 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.
Electromagnetic spectrum
Reflect
Gamma ray
Radioactive decay
15. The longest side of a right triangle - opposite to the right angle.
Critical angle
Restoring force
Activity
Hypotenuse
16. Heat transfer via the mass movement of molecules.
Energy
Mutual Induction
Convection
Power
17. 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.
Thermal equilibrium
Rigid body
Standing wave
Work function
18. The path of each planet around the sun is an ellipse with the sun at one focus.
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19. A form of radioactive decay where a heavy element emits an alpha particle and some energy - thus transforming into a lighter - more stable - element.
System
Inclined plane
Magnitude
Alpha decay
20. The amount of heat necessary to transform a solid at a given temperature into a liquid of the same temperature - or the amount of heat needed to be removed from a liquid of a given temperature to transform it into a solid of the same temperature.
Joule
Latent heat of fusion
Kepler's Second Law
Dispersion
21. A scale for measuring temperature - defined such that 0K is the lowest theoretical temperature a material can have. 273K = 0ºC.
Melting point
Michelson-Morley experiment
Nuclear fission
Kelvin
22. Two materials are in thermal equilibrium if they are at the same temperature.
Atomic number
Normal
Kepler's First Law
Thermal equilibrium
23. Done when energy is transferred by a force. The work done by a force F in displacing an object by s is W = F · s.
Reflected ray
Distance
Conservation of Angular Momentum
Work
24. The application of kinematics to understand why objects move the way they do. More precisely - dynamics is the study of how forces cause motion.
Maxima
Optics
Dynamics
Refraction
25. The emf created by the motion of a charge through a magnetic field.
Activity
Motional emf
Direction
Gold foil experiment
26. 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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27. A small particle-like bundle of electromagnetic radiation.
Atomic number
Compression
Universal gas constant
Photon
28. A constant - J · s - which is useful in quantum physics. A second constant associated with Planck's constant is .
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29. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Electron
Constructive interference
Photoelectron
Weak nuclear force
30. 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.
Legs
Diffraction
De Broglie wavelength
Radioactive decay
31. 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.
Photon
Thermal energy
Scalar
Isolated system
32. 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
Specific heat
Weber
Ground state
Phase
33. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Kelvin
Tension force
Neutrino
Electric generator
34. 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.
Polarization
Magnitude
Inertial reference frame
Mass number
35. 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.
Deposition
Conduction
Ground state
Destructive interference
36. Heat transfer by molecular collisions.
Maxima
Neutron number
Coefficient of static friction
Conduction
37. A machine that operates by taking heat from a hot place - doing some work with that heat - and then exhausting the rest of the heat into a cool place. The internal combustion engine of a car is an example of a heat engine.
Heat engine
Reflect
Angle of reflection
Gravitational constant
38. 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).
Magnetic flux
First Law of Thermodynamics
Kinetic friction
Melting point
39. The ray of light that is reflected from a mirror or other reflecting surface.
Convex lens
Spectroscope
Reflected ray
Newton's Third Law
40. 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.
Universal gas constant
Concave mirror
Transformer
Force
41. The amount of error that's possible in a given measurement.
Heat
Sublimation
Margin of error
Fundamental
42. The stable position of a system where the net force acting on the object is zero.
Efficiency
Compression
Equilibrium position
Principal axis
43. An experiment in 1879 that showed that the speed of light is constant to all observers. Einstein used the results of this experiment as support for his theory of special relativity.
Michelson-Morley experiment
Wave speed
Pendulum
Neutron number
44. The current induced in a circuit by a change in magnetic flux.
Quark
Snell's Law
Induced current
Dot product
45. The force necessary to maintain a body in uniform circular motion. This force is always directed radially toward the center of the circle.
Centripetal force
Pascals
Michelson-Morley experiment
Convex mirror
46. The state of a nonrotating object upon whom the net torque acting is zero.
Equilibrium
Hertz (Hz)
Refracted ray
Legs
47. 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.
Latent heat of vaporization
Standing wave
Coefficient of kinetic friction
Zeroth Law of Thermodynamics
48. 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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49. An area of high air pressure that acts as the wave crest for sound waves. The spacing between successive compressions is the wavelength of sound - and the number of successive areas of compression that arrive at the ear per second is the frequency -
Deposition
Centripetal force
Specific heat
Compression
50. 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.
Convex mirror
Margin of error
Moment of inertia
Strong nuclear force