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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 body or set of bodies that we choose to analyze as a group.
Cycle
System
Celsius
Tail
2. With spherical mirrors - the center of the sphere of which the mirror is a part. All of the normals pass through it.
Gamma decay
Temperature
Distance
Center of curvature
3. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Free
System
Longitudinal waves
Angular period
4. When a solid - liquid - or gas changes into another phase of matter.
Basis vector
Phase change
Distance
Second Law of Thermodynamics
5. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Convex mirror
Angle of incidence
Real image
Joule
6. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Transverse waves
Pascals
Wave
Kinetic theory of gases
7. The mass difference between a nucleus and the sum of the masses of the constituent protons and neutrons.
Mass defect
Pendulum
Alpha decay
Angular displacement
8. 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.
Newton's First Law
Restoring force
Latent heat of sublimation
Angular position
9. 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.
Gravitational constant
Sine
Calorie
Axis of rotation
10. 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.
Coefficient of volume expansion
Normal
Magnification
Angular position
11. Atoms of the same element may have different numbers of neutrons and therefore different masses. Atoms of the same element but with different numbers of neutrons are called isotopes of the same element.
Rutherford nuclear model
Angular frequency
Wave speed
Isotope
12. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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13. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Pulley
Decibel
Kelvin
Translational motion
14. A nuclear reaction that takes place only at very high temperatures. Two light atoms - often hydrogen - fuse together to form a larger single atom - releasing a vast amount of energy in the process.
Electronvolt
Loudness
Nuclear fusion
Wave
15. 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.
Reflect
Decay constant
Snell's Law
Angular acceleration
16. Given the period - T - and semimajor axis - a - of a planet's orbit - the ratio is the same for every planet.
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17. 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.
Alpha particle
Impulse
Instantaneous velocity
Speed
18. The coefficient of static friction - for two materials is the constant of proportionality between the normal force and the maximum force of static friction. It is always a number between zero and one.
Force
First Law of Thermodynamics
Ground state
Coefficient of static friction
19. An object cannot be cooled to absolute zero.
Angular position
Third Law of Thermodynamics
Universal gas constant
Basis vector
20. A number - Z - associated with the number of protons in the nucleus of an atom. Every element can be defined in s of its atomic number - since every atom of a given element has the same number of protons.
Velocity
Atomic number
Inertia
Inversely proportional
21. The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Polarization
Kinematic equations
Joule
Neutron
22. Waves carried by variations in air pressure. The speed of sound waves in air at room temperature and pressure is roughly 343 m/s.
Direction
Sound
Period
Isotope
23. 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 -
Weber
Entropy
Compression
Coefficient of static friction
24. A push or a pull that causes an object to accelerate.
Transformer
Law of conservation of energy
Force
Standing wave
25. In the graphical representation of vectors - the tail of the arrow is the blunt end (the end without a point).
Tail
Absolute zero
Angle of incidence
Equilibrium position
26. The time - T - required for a rigid body to complete one revolution.
Period
Angular period
Transverse waves
Angle of refraction
27. A collision in which the colliding particles stick together.
Newton's First Law
Internal energy
Completely inelastic collision
Proton
28. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Beta decay
Threshold frequency
Electromagnetic induction
Pressure
29. 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
Center of mass
Half
Translational kinetic energy
Basis vector
30. An experiment by Ernest Rutherford that proved for the first time that atoms have nuclei.
Uncertainty principle
Reflection
Basis vector
Gold foil experiment
31. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Deposition
Inclined plane
Neutron number
Directly proportional
32. A device that breaks incoming light down into spectral rays - so that one can see the exact wavelength constituents of the light.
Completely inelastic collision
Coefficient of static friction
Spectroscope
Law of reflection
33. The stable position of a system where the net force acting on the object is zero.
Equilibrium position
Superposition
Centripetal force
Latent heat of transformation
34. The phenomenon by which light traveling from a high n to a low n material will reflect from the optical interface if the incident angle is greater than the critical angle.
Absolute zero
Total internal reflection
Electromagnetic wave
Alpha decay
35. The two shorter sides of a right triangle that meet at the right angle.
Legs
Beta particle
Rarefaction
Centripetal acceleration
36. 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.
Newton's Second Law
Basis vector
Photoelectron
Acceleration
37. 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
Displacement
Joule
Constant of proportionality
Phase change
38. Two oscillators that have the same frequency and amplitude - but reach their maximum displacements at different times - are said to have different phases. Similarly - two waves are in phase if their crests and troughs line up exactly - and they are o
Compression
Phase
Speed
Rigid body
39. The sum of a system's potential and kinetic energy. In many systems - including projectiles - pulleys - pendulums - and motion on frictionless surfaces - mechanical energy is conserved. One important type of problem in which mechanical energy is not
Radioactive decay
Mechanical energy
Scalar
Diffraction grating
40. An almost massless particle of neutral charge that is released along with a beta particle in beta decay.
Neutrino
Magnetic flux
Convex mirror
Meson
41. A unit for measuring angles; also called a "rad." 2p rad = 360º.
Photoelectron
Latent heat of sublimation
Specific heat
Radian
42. 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.
Angular acceleration
Spring
Vertex
Simple harmonic oscillator
43. The energy of the molecules that make up an object. It is related to heat - which is the amount of energy transferred from one object to another object that is a different temperature.
Spring
Angular frequency
Centripetal acceleration
Thermal energy
44. 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.
Displacement
Focal point
Zeroth Law of Thermodynamics
Pascals
45. The force involved in beta decay that changes a proton to a neutron and releases an electron and a neutrino.
Ideal gas law
Acceleration
Weak nuclear force
Kepler's Second Law
46. The force transmitted along a rope or cable.
Dynamics
Magnification
Tension force
Pressure
47. States that the net work done on an object is equal to the object's change in kinetic energy.
Radius of curvature
Work-energy theorem
Dot product
Alpha particle
48. 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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49. 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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50. Heat transfer by molecular collisions.
Concave lens
Vertex
Loudness
Conduction