G485 Definitions Prioritised

  • Created by: Maddie
  • Created on: 18-05-15 10:39
force per unit charge
electric field strength
1 of 19
flux density normal to the plane of the area x cross sectional area
magnetic flux
2 of 19
charge per unit potential difference
capacitance
3 of 19
momentum, mass-energy, charge, proton number, baryon number, nucleon number
quantities conserved
4 of 19
the night sky should have uniform brightness, the line of sight ends on the surface of a star
olbers paradox
5 of 19
infinite, uniformly distributed matter throughout, static, infinite age
cosmological principle
6 of 19
speed of a galaxy is proportional to its distance
hubbles law
7 of 19
coulomb per volt
farad
8 of 19
energy transferred to eletrical energy per unit charge
emf
9 of 19
density for which the universe will expand towards a limit or rate of expansion tends to zero which will result in a flat universe
critical density
10 of 19
the force between 2 charges is proportional to the product of the charges and inversely proportional to the square of the distance between the charges
coulombs law
11 of 19
a measure of the stength of the magnetic field, measured in tesla
magnetic flux density
12 of 19
the number of radioactive decays per unit time
activity
13 of 19
the energy required to seperate an atom into its component parts
binding energy
14 of 19
the probability of radioactive decay
decay constant
15 of 19
focussing an electromagnetic wave to provide a parallel beam
collimation
16 of 19
the property of a material that determines the intensity of ultrasound refracted at a boundary with another material
acoustic impedance
17 of 19
the frequency of precession of a proton in a maggnetic field
larmor frequency
18 of 19
the time taken for the charge remaining on a capacitor to fall to e‾¹ of its original value
time constant
19 of 19

Other cards in this set

Card 2

Front

flux density normal to the plane of the area x cross sectional area

Back

magnetic flux

Card 3

Front

charge per unit potential difference

Back

Preview of the front of card 3

Card 4

Front

momentum, mass-energy, charge, proton number, baryon number, nucleon number

Back

Preview of the front of card 4

Card 5

Front

the night sky should have uniform brightness, the line of sight ends on the surface of a star

Back

Preview of the front of card 5
View more cards

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