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Test your basic knowledge |
SAT Subject Test: hysics
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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. Relates the angle of incidence to the angle of refraction: .
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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
Direction
Spring
Internal energy
Entropy
3. The effect of force on rotational motion.
Gamma decay
Oscillation
Specific heat
Torque
4. 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.
Legs
Significant digits
Weightlessness
Refraction
5. When a light ray strikes a surface - the angle of incidence is the angle between the incident ray and the normal.
Angle of incidence
Pascals
Beats
Hooke's Law
6. A property of a metal - the minimum frequency of electromagnetic radiation that is necessary to release photoelectrons from that metal.
Longitudinal waves
Threshold frequency
Axis of rotation
Beta decay
7. Objects that experience oscillatory or simple harmonic motion when distorted. Their motion is described by Hooke's Law.
Inversely proportional
Mechanical energy
Constructive interference
Spring
8. A measurement of a body's inertia - or resistance to being accelerated.
Velocity
Distance
Longitudinal waves
Mass
9. A collision in which the colliding particles stick together.
Normal
Completely inelastic collision
Centripetal force
Magnification
10. 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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11. The tendency of an object to remain at a constant velocity - or its resistance to being accelerated. Newton's First Law is alternatively called the Law of Inertia because it describes this tendency.
Latent heat of fusion
Neutrino
Inertia
Nuclear fission
12. Also called a diverging lens - a lens that is thinner in the middle than at the edges. Concave lenses refract light away from a focal point.
Isotope
Normal
Margin of error
Concave lens
13. 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
Amplitude
Center of mass
Impulse
Neutrino
14. Occurs when every point in the rigid body moves in a circular path around a line called the axis of rotation.
Rotational motion
Universal gas constant
Centripetal acceleration
Compression
15. A unit of measurement for energy on atomic levels. 1 eV = J.
Electronvolt
Zeroth Law of Thermodynamics
Pascals
Direction
16. The two shorter sides of a right triangle that meet at the right angle.
Frictional force
Legs
Angular momentum
Nucleus
17. 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.
Nuclear fusion
Isolated system
Magnitude
Dot product
18. The name of an electron released from the surface of a metal due to the photoelectric effect.
Angular acceleration
Photoelectron
Gold foil experiment
Activity
19. A form of vector multiplication - where two vectors are multiplied to produce a scalar. The dot product of two vectors - A and B - is expressed by the equation A · B = AB cos .
Node
Kinematics
Angular position
Dot product
20. To every action - there is an equal and opposite reaction. If an object A exerts a force on another object B - B will exert on A a force equal in magnitude and opposite in direction to the force exerted by A.
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21. A unit of force: 1 N is equivalent to a 1 kg · m/s2.
Strong nuclear force
Newton
Spring constant
Force
22. 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.
Boiling point
Gravitational constant
Sound
Cosine
23. Any vector can be expressed as the sum of two mutually perpendicular component vectors. Usually - but not always - these components are multiples of the basis vectors - and ; that is - vectors along the x-axis and y-axis. We define these two vectors
Dot product
Component
First Law of Thermodynamics
Right-hand rule
24. The mass difference between a nucleus and the sum of the masses of the constituent protons and neutrons.
Mass defect
Electromagnetic wave
Ground state
Wave speed
25. Life- The amount of time it takes for one-half of a radioactive sample to decay.
Maxima
Half
Temperature
Uncertainty principle
26. The gravitational force exerted on a given mass.
Constructive interference
Law of reflection
Weight
Normal force
27. A device that converts mechanical energy to electrical energy by rotating a coil in a magnetic field; sometimes called a "dynamo."
Inversely proportional
Collision
Component
Electric generator
28. The ray of light that is refracted through a surface into a different medium.
Phase change
Refracted ray
Amplitude
Rigid body
29. The process by which a gas turns directly into a solid because it cannot exist as a liquid at certain pressures.
Incident ray
Deposition
Angular position
Angle of refraction
30. The center of an atom - where the protons and neutrons reside. Electrons then orbit this nucleus.
Nucleus
Induced current
Latent heat of fusion
Rigid body
31. A back-and-forth movement about an equilibrium position. Springs - pendulums - and other oscillators experience harmonic motion.
Cycle
Oscillation
Sound
Ideal gas law
32. 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.
Critical angle
Uncertainty principle
Newton's Law of Universal Gravitation
Mutual Induction
33. A constant in the numerator of a formula.
Neutrino
Specific heat
Constant of proportionality
Crest
34. The disorder of a system.
Pressure
Specific heat
Entropy
Inversely proportional
35. The acceleration of a body experiencing uniform circular motion. This acceleration is always directed toward the center of the circle.
Kinetic friction
Angular displacement
Deposition
Centripetal acceleration
36. An electromagnetic wave of very high frequency.
Pendulum
Hooke's Law
Gamma ray
Mass number
37. 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.
Latent heat of vaporization
Nucleus
Magnitude
Conduction
38. The unit of magnetic flux - equal to one T · m2.
Boiling point
Weber
Rigid body
Induced current
39. 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.
Destructive interference
Alpha particle
Fundamental
Node
40. The path of each planet around the sun is an ellipse with the sun at one focus.
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41. In an interference or diffraction pattern - the places where there is the most light.
Completely inelastic collision
Maxima
Trough
Boiling point
42. The current induced in a circuit by a change in magnetic flux.
Angle of incidence
Frequency
Induced current
Magnetic flux
43. In the Bohr model of the atom - the state in which an electron has the least energy and orbits closest to the nucleus.
Wavelength
Torque
Destructive interference
Ground state
44. A transfer of thermal energy from one system to another.
Celsius
Beta particle
Heat transfer
Static friction
45. The amount of energy that metal must absorb before it can release a photoelectron from the metal.
Mass defect
Work function
Impulse
Centripetal acceleration
46. The force that causes simple harmonic motion. The restoring force is always directed toward an object's equilibrium position.
Restoring force
Radiation
Dispersion
Work
47. A wave with wave crests that propagate down the length of the medium - in contrast to stationary standing waves. The velocity at which a crest propagates is called the wave speed.
Basis vector
Motional emf
Traveling waves
Convex mirror
48. The property by which a charge moving in a magnetic field creates an electric field.
Electron
Beta particle
Electromagnetic induction
Pascals
49. Kinematics is the study and description of the motion of objects.
Kinematics
Weak nuclear force
Heat engine
Normal
50. States that the net work done on an object is equal to the object's change in kinetic energy.
Latent heat of vaporization
Motional emf
Work-energy theorem
Optics
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