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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 pulley is a simple machine that consists of a rope that slides around a disk or block.
Pulley
Law of conservation of energy
Hooke's Law
Rigid body
2. 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 - .
Scalar
Electronvolt
Fundamental
Convex mirror
3. The net change - - in a point's angular position - . It is a scalar quantity.
Cosine
Universal gas constant
Angular displacement
Melting point
4. A wavelength - given by = h/mv - which is associated with matter. Louis de Broglie proposed the idea that matter could be treated as waves in 1923 and applied this theory successfully to small particles like electrons.
Refracted ray
Diffraction grating
De Broglie wavelength
Angular velocity
5. Waves that oscillate in the same direction as the propagation of the wave. Sound is carried by longitudinal waves - since the air molecules move back and forth in the same direction the sound travels.
Beta particle
Weak nuclear force
Maxima
Longitudinal waves
6. A scalar quantity. If an object is moved from point A to point B in space along path AB - the distance that the object has traveled is the length of the path AB. Distance is to be contrasted with displacement - which is simply a measure of the distan
Half
Distance
Dispersion
Proton
7. 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.
Electron
Conservation of Angular Momentum
Pascals
Atomic number
8. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Deposition
Gravitational Potential Energy
Photoelectron
Doppler shift
9. The points of maximum displacement along a wave. In traveling waves - the crests move in the direction of propagation of the wave. The crests of standing waves - also called anti-nodes - remain in one place.
Efficiency
Thermal energy
Crest
Orbit
10. 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
Static friction
Direction
Newton
Free
11. 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.
Amplitude
Mole
Kepler's Second Law
Directly proportional
12. The model of the atom according to which negatively charged electrons orbit a positively charged nucleus. This model was developed by Ernest Rutherford in light of the results from his gold foil experiment.
Rutherford nuclear model
Superposition
Electric generator
Amplitude
13. In an interference or diffraction pattern - the places where there is the most light.
Frictional force
Maxima
Isolated system
Pulley
14. 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
Phase
Latent heat of transformation
Margin of error
Sound
15. 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.
Newton's Law of Universal Gravitation
Tangent
Universal gas constant
Radioactive decay
16. 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.
Angle of incidence
Optics
Sine
Antinode
17. A force caused by the roughness of two materials in contact - deformations in the materials - and a molecular attraction between the materials. Frictional forces are always parallel to the plane of contact between two surfaces and opposite the direct
Newton's Law of Universal Gravitation
Frictional force
Rigid body
Acceleration
18. A scale for measuring temperature - defined such that water freezes at 0ºC and boils at 100ºC. 0ºC = 273 K.
Instantaneous velocity
Celsius
Convex lens
Kinetic theory of gases
19. The principle stating that for any isolated system - linear momentum is constant with time.
Kepler's Third Law
Conservation of momentum
Cosine
Angular displacement
20. The gravitational force exerted on a given mass.
Reflect
Kinetic friction
Weight
Weak nuclear force
21. 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
Rarefaction
Sound
Inertia
22. States that the net work done on an object is equal to the object's change in kinetic energy.
Conservation of Angular Momentum
Universal gas constant
Work-energy theorem
De Broglie wavelength
23. 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.
Isotope
Mass defect
Convex lens
Conservation of momentum
24. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.
Right-hand rule
Entropy
Spectroscope
Conservation of Angular Momentum
25. The phenomenon of light bouncing off a surface - such as a mirror.
Boiling point
Latent heat of transformation
Reflection
Weightlessness
26. A constant in the numerator of a formula.
Refracted ray
Latent heat of fusion
Constant of proportionality
Work-energy theorem
27. 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
Right-hand rule
Inertia
Harmonic series
Motional emf
28. 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.
Constant of proportionality
Phase
Translational kinetic energy
Zeroth Law of Thermodynamics
29. The number of cycles executed by a system in one second. Frequency is the inverse of period - f = 1/T. Frequency is measured in hertz - Hz.
Speed
Frequency
Threshold frequency
Pressure
30. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Focal point
Threshold frequency
Zeroth Law of Thermodynamics
Entropy
31. The mass number - A - is the sum of the number of protons and neutrons in a nucleus. It is very close to the weight of that nucleus in atomic mass units.
Boyle's Law
Phase change
Angle of incidence
Mass number
32. The experience of being in free fall. If you are in a satellite - elevator - or other free-falling object - then you have a weight of zero Newtons relative to that object.
Weightlessness
Translational kinetic energy
Concave mirror
Kinetic theory of gases
33. Heat transfer by molecular collisions.
Conduction
Decibel
Collision
Center of curvature
34. 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
Component
Radius of curvature
Center of mass
Static friction
35. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Coefficient of kinetic friction
Threshold frequency
Inclined plane
Angular period
36. The angle between a refracted ray and the line normal to the surface.
Directly proportional
Angle of refraction
Boyle's Law
Gamma ray
37. A vector quantity defined as the rate of change of the displacement vector with time. It is to be contrasted with speed - which is a scalar quantity for which no direction is specified.
Translational kinetic energy
Kinematics
Electromagnetic wave
Velocity
38. The points midway between nodes on a standing wave - where the oscillations are largest.
Neutrino
Antinode
Planck's constant
Concave lens
39. The disorder of a system.
Instantaneous velocity
Standing wave
Law of reflection
Entropy
40. 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
Third Law of Thermodynamics
Displacement
Direction
Coefficient of linear expansion
41. 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.
Acceleration
Ground state
Angular position
Directly proportional
42. Heat transfer via electromagnetic waves.
Radiation
Ground state
Potential energy
Mass
43. A collision in which momentum is conserved but kinetic energy is not.
Inelastic collision
Crest
Neutrino
Convex lens
44. 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.
Period
Power
Magnitude
Motional emf
45. The amount of heat needed to raise the temperature of one gram of water by one degree Celsius. 1 cal = 4.19 J.
Calorie
Motional emf
Dynamics
Standing wave
46. The mass difference between a nucleus and the sum of the masses of the constituent protons and neutrons.
Focal length
Incident ray
Kinematics
Mass defect
47. The process by which a solid turns directly into gas - because it cannot exist as a liquid at a certain pressure.
Electromagnetic wave
Wave
Beta particle
Sublimation
48. The angle between a reflected ray and the normal.
Electromagnetic wave
Proton
Angle of reflection
Thermal equilibrium
49. 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
Alpha particle
Angular momentum
Potential energy
Tip
50. 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.
Boiling point
Electric generator
Hypotenuse
Wave speed