Chapter 22 & 23

Radiant Energy:Light
The Propagation of Light:Scattering

 

 

Some beginning equations

Speed of a wave:

(1)

 

Profile of the E-field:

(2)

 

Propagation Number:

(3)

 

Relationship between the Electric and Magnetic fields:

(4)

 

Speed of light based on equation (4):

(5)


 

Calculated speed of light with (5):

Accepted value of the speed of light:

 

Energy and Irradiance (Intensity):

(6)

 

Energy of a photon:

(7)

(8)

Planck's Constant in Joules or
Planck's Constant in electron Volts

 

 

On to Reflection