Physics Paper 2

Front 1

Charge

Back 1

Number of electron x e

Front 2

Current

Back 2

Charge/time

Front 3

What is the gradient of a Q-t graph

Back 3

The current

Front 4

What is the area under a graph of a I-t graph

Back 4

The total flow of charge

Front 5

Derivation of I=nAve

Back 5

V= A x vt

Number of electrons= n x avt

Charge =navte

Current= navte/t= nAve

Front 6

Work done

Back 6

Charge x voltage

Front 7

Voltage

Back 7

Current x resistance

Front 8

Gradient of ohmic conductor

Back 8

1/R

Front 9

Power

Back 9

Work done/ time

I^2 R

V^2/R

Front 10

Resistivity

Back 10

Resistance x area / length

Ohm meters

Front 11

V term

Back 11

IR

Front 12

V lost

Back 12

Ir

Front 13

Emf

Back 13

IR + Ir

Front 14

Frequency

Back 14

1/T

Front 15

Wave V

Back 15

F lamda

Front 16

Young’s experiment

Back 16

Wave length = slit gap x fringe spacing / D

Front 17

Pd

Back 17

slit gap x sin theta

Front 18

Wave length

Back 18

slit gap x sin theta / n

Front 19

Harmonic equations

Back 19

Wave length = 2L / 3

Sub in f = v / wavelength

f = 3v / 2L

Front 20

Refractive index

Back 20

C / v

Front 21

Refractive index

Back 21

C / v

Front 22

Snells law derivation

Back 22

Sin theta 1 / sin theta 2 = v1 / v2

n1v1=n2v2 so v1/v2=n2/n1

Sin theta 1 n1 = sin theta 2 n2

Front 23

Critical angle

Back 23

N1 sin theta 1 = n2 sin 90

Sin 90 = 1

n1 sin crit = n2

Front 24

Energy of photon

Back 24

Hf

Hc / lamda

Front 25

Energy of photon

Back 25

Hf

Hc / lamda

Front 26

Stopping voltage

Back 26

Ekmax= hf - work function

Front 27

Energy of photon

Back 27

Hf

Hc / lamda

Front 28

Stopping voltage

Back 28

Ekmax= hf - work function

Front 29

Work function

Back 29

H x threshold frequency

Front 30

Photon momentum

Back 30

h/wavelength

Front 31

Momentum of electron

Back 31

Square root 2mass x Ek