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12 physics definitions unit 3 and 4 Flashcards | StudBud
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12 physics definitions unit 3 and 4
12 physics definitions unit 3 and 4
36 terms
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Up to Faraday's law
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1
The force acting along an imaginary line drawn perpendicular to the surface.
electrical force
projectile force
normal force
gravitational force
2
Difference of elapsed time as measured by observers moving relative to each other.
proper time
relativistic time
time dilation
special relativity
3
Minimum frequency of a photon that can eject an electron from a surface
Planck's constant
threshold frequency
work function
quantum frequency
4
Time interval measured in the frame of reference in which the object is at rest.
relativistic time interval
second postulate
time dilation
proper time interval
5
Kepler's second law
T squared/r cubed
equal areas, equal times
elliptical orbits with Sun as focus
universal gravitation
6
Abstract coordinate system that defines location of observer.
inertial frame of reference
proper location
frame of reference
proper time
7
The force acting on an object travelling in a circle.
proportional to the speed
in the direction of motion
opposite to the direction of motion
perpendicular to the direction of motion
8
Mass of an object measured in the same reference frame as the observer
rest mass
proper mass
threshold mass
relativistic mass
9
The force of attraction is directly proportional to the product of masses and inversely proportional to distance squared
Newton's law of universal gravitation
Kepler's law
Faraday's law
Coulomb's law
10
the length measured in the frame of reference in which the object is at rest
proper length
length contraction
rest length
relativistic length
11
The acceleration experienced by any object moving in a circular path.
centripetal acceleration
product of centripetal force and mass
circular acceleration
Kepler's third law
12
Direction of an induced current opposes the change in mag field.
Lenz's law
Faraday's law
Magnetic flux density
Coulomb's law
13
meson
composed of lepton and antilepton
composed of 3 quarks
composed of quark and antiquark
composed of 3 leptons
14
Time taken to complete one revolution
frequency
centripetal time
rotation
period
15
elementary particle
particle that cannot be divided
particle whose substructure is unknown
a subatomic particle
proton, neutron, electron
16
baryon
composed of 3 quarks
composed of lepton and antilepton
composed of quark and antiquark
composed of 3 leptons
17
The force is proportional to the product of electric charges and inversely proportional to the square of the distance.
Faraday's law
Newton's law of universal gravitation
Lenz's law
Coulomb's law
18
Synchronised oscillations of electric and magnetic fields
electromagnetic induction
electromagnetic radiation
threshold frequency
magnetic flux
19
Kepler's third law
universal gravitation
T squared/r cubed
elliptical orbits with Sun as focus
equal areas, equal times
20
Magnetic flux density
strength of mag field or number of emf lines per unit area
strength of mag field or number of EM field lines per unit area
strength of mag field or the number of magnetic field lines per unit area
strength of mag field or number of magnetic force lines per unit area
21
rate of change of distance
force
average speed
acceleration
constant for a constant force
22
A difference in potential that tends to give rise to an electric current.
electromagnetic induction
electromotive force
resistance
electrical potential energy difference
23
when magnetic flux linking a circuit changes, an emf is induced proportional to rate of change of flux linkage
Newton's law
Faraday's law
Einstein's law
Lenz's law
24
The force acting on an object travelling in a circle.
mechanical
magnetic
centripetal
electrical
25
Kepler's first law
elliptical orbits with Sun as focus
equal areas, equal times
T squared/r cubed
universal gravitation
26
The length measured in the frame of reference in which the object is in motion.
rest length
length contraction
proper length
relativistic length
27
Electrical potential energy
capacity of electric charge carriers to do work due to their position ...
inversely proportional to square of distance between charges
energy resulting from regions around an electrically charged object
regions around an electrically charged particle ...
28
minimum energy required to remove an electron from a solid
minimum kinetic energy
work function
ejection energy
threshold frequency
29
The production of an emf across an electrical conductor due to its dynamic interaction with a magnetic field.
electromagnetic induction
Faraday's law
electromotive force
magnetic flux
30
Horizontal and vertical components of a velocity vector in projectile motion are
independent of each other
proportional to each other
dependent on the mass of the object
inversely proportional to each other
31
a measurement of the total magnetic field that passes through a given area
magnetic flux
induced current
magnetic flux density
electromotive force (emf)
32
The intensity of an electric field at a particular location
electromagnetic intensity
electric field density
electric flux
electric field strength
33
the region of space surrounding a body in which another body experiences gravitational attraction
gravity wells
gravitational space
gravitational fields
Universal gravitation
34
The laws of physics are the same in all inertial frames of reference.
First postulate
Second postulate
False
Einstein's equation of motion
35
particle with same mass and opposite charge and/or spin
elementary particle
quark
subatomic particle
antiparticle
36
Time interval measured in the frame of reference in which the object is in motion.
proper time interval
time dilation
relativistic time interval
special relativity
