Peoples Physics Book Version-3

http://www.ck12.org

( 4 E)( 4 t)≈h/ 4 π

Ephoton=h f=pc

Kmax=qV=h f+φ

h= 6. 626 × 10 −^34 J.s

AZ=element Z with A nucleons

(^14) C:tH= 5 ,730 years(half life=th)
(^239) Pu:tH= 24 ,119 years
Eo=− 13 .605 ev(Hydrogen ground state)
Light
λblue≈450 nm
λgreen≈500 nm
λred≈600 nm
nisin(θi) =nrsin(θr)
c= 2. 998 × 108 m/s
mλ=dsin(θ)
nair≈nvacuum= 1. 00
nwater= 1. 33
n=c/vmaterial
primary: Red, Green, Blue
secondary: Magenta, Cyan, Yellow

1

f

=

1

do

+

1

di

M=hi/ho=di/do

Electricity and Magnetism

FE=k q 1 q 2 /r^2

E=FE/q

E=−4V/ 4 x