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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. The study of the properties of visible light - i.e. - the portion of the electromagnetic spectrum with wavelengths between 360 and 780 nm (1 nm = m/s).
Optics
Radiation
Radioactivity
Cosine
2. 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
Amplitude
Hypotenuse
Potential energy
Specific heat
3. The angle between a refracted ray and the line normal to the surface.
Electron
Legs
Angle of refraction
Work-energy theorem
4. A pulley is a simple machine that consists of a rope that slides around a disk or block.
Axis of rotation
Latent heat of vaporization
Directly proportional
Pulley
5. An image created by a mirror or lens in such a way that light does actually come from where the image appears to be. If you place a screen in front of a real image - the image will be projected onto the screen.
Newton
Boiling point
Optics
Real image
6. The gravitational force exerted on a given mass.
Angle of reflection
Direction
Weak nuclear force
Weight
7. A sheet - film - or screen with a pattern of equally spaced slits. Typically the width of the slits and space between them is chosen to generate a particular diffraction pattern.
Diffraction grating
Melting point
Diffraction
Gravitational Potential Energy
8. 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.
Alpha decay
Chain reaction
Celsius
Radioactive decay
9. The points midway between nodes on a standing wave - where the oscillations are largest.
Latent heat of vaporization
Magnetic flux
Antinode
Reflect
10. 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.
Neutron
Michelson-Morley experiment
De Broglie wavelength
Tension force
11. 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.
Focal length
Angle of refraction
Axis of rotation
Pascals
12. There are a few versions of this law. One is that heat flows spontaneously from hot to cold - but not in the reverse direction. Another is that there is no such thing as a 100% efficient heat engine. A third states that the entropy - or disorder - of
Convection
Snell's Law
Refraction
Second Law of Thermodynamics
13. 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.
Kinetic energy
Longitudinal waves
Spring constant
Focal point
14. The five equations used to solve problems in kinematics in one dimension with uniform acceleration.
Translational kinetic energy
Kinetic friction
Kinematic equations
First Law of Thermodynamics
15. A wedge or a slide. The dynamics of objects sliding down inclined planes is a popular topic on SAT II Physics.
Inclined plane
Atom
Heat transfer
Uncertainty principle
16. If the net torque acting on a rigid body is zero - then the angular momentum of the body is constant or conserved.
Cross product
Conservation of Angular Momentum
Threshold frequency
Frictional force
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
Frequency
Radius of curvature
Wave
Frictional force
18. The distance between successive wave crests - or troughs. Wavelength is measured in meters and is related to frequency and wave speed by = v/f.
Wavelength
Calorie
Scalar
Magnification
19. A transfer of thermal energy from one system to another.
Third Law of Thermodynamics
Phase change
Heat transfer
Spring
20. A rigid body's resistance to being rotated. The moment of inertia for a single particle is MR2 - where M is the mass of the rigid body and R is the distance to the rotation axis. For rigid bodies - calculating the moment of inertia is more complicate
Directly proportional
Incident ray
Moment of inertia
Wave
21. 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 - .
Radian
Fundamental
Cross product
Absolute zero
22. 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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23. The line that every particle in the rotating rigid body circles about.
Speed
Axis of rotation
Work-energy theorem
Legs
24. 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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25. 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
Maxima
Weak nuclear force
Energy
26. A wave that interferes with its own reflection so as to produce oscillations which stand still - rather than traveling down the length of the medium. Standing waves on a string with both ends tied down make up the harmonic series.
Standing wave
First Law of Thermodynamics
Mole
Beta decay
27. A law - || = - which states that the induced emf is the change in magnetic flux in a certain time.
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28. 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.
Electromagnetic induction
Kinetic energy
Concave mirror
Kinematics
29. The unit for measuring pressure. One Pascal is equal to one Newton per meter squared - 1 Pa = 1 N/m2.
Kinematics
Restoring force
Internal energy
Pascals
30. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Deposition
Centripetal acceleration
Phase
Force
31. Kinematics is the study and description of the motion of objects.
Uniform circular motion
Optics
Weak nuclear force
Kinematics
32. A measure of force per unit area. Pressure is measured in N/m2 or Pa.
Rutherford nuclear model
Specific heat
Pressure
Trough
33. A device that converts mechanical energy to electrical energy by rotating a coil in a magnetic field; sometimes called a "dynamo."
Weightlessness
Electric generator
Magnification
Crest
34. The substance that is displaced as a wave propagates through it. Air is the medium for sound waves - the string is the medium of transverse waves on a string - and water is the medium for ocean waves. Note that even if the waves in a given medium tra
Michelson-Morley experiment
Medium
Wave
Axis of rotation
35. 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.
Torque
Michelson-Morley experiment
Nucleus
Coefficient of static friction
36. 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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37. A collision in which both kinetic energy and momentum are conserved.
Electromagnetic wave
Magnetic flux
Elastic collision
Faraday's Law
38. 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.
Critical angle
Concave lens
Power
Sine
39. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Spring constant
Spring
Coherent light
Equilibrium position
40. The number - N - of neutrons in an atomic nucleus.
Snell's Law
Conduction
Neutron number
Dot product
41. A neutrally charged particle that - along with protons - constitutes the nucleus of an atom.
Neutron
Destructive interference
Gold foil experiment
Constant of proportionality
42. The time - T - required for a rigid body to complete one revolution.
Angular period
Crest
Angular frequency
Restoring force
43. The point of a mirror or lens where all light that runs parallel to the principal axis will be focused. Concave mirrors and convex lenses are designed to focus light into the focal point. Convex mirrors and concave lenses focus light away from the fo
Focal point
Translational motion
Constant of proportionality
Potential energy
44. 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
Transformer
Pendulum
Period
Mechanical energy
45. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Nucleus
Wave speed
Acceleration
Tension force
46. Heat transfer via electromagnetic waves.
Radiation
Ground state
Angular momentum
Cosine
47. 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
Rotational kinetic energy
Calorie
Kinematic equations
Bohr atomic model
48. Body diagram- Illustrates the forces acting on an object - drawn as vectors originating from the center of the object.
Cosine
Frictional force
Weight
Free
49. 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.
Constructive interference
Isotope
Angular displacement
Convex mirror
50. 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.
Reflection
Momentum
Coefficient of kinetic friction
Longitudinal waves