Home

 

 

What is the relationship between E and f?

 

Fill in the Blank Notes

 

II. Explaining photoelectric effect using quantum theory

 

 

A. Quantum Theory

 

1) electrons can only absorb or emit energy in discrete amounts called quanta (packets)

 

 

2) Energy of each quanta (photon) is proportional to frequency of radiation

 

 

Energy of a Quanta

 

 

E = hf

 

 

 

June 2004 #40

 


Max Planck

h = Planck's constant 

=6.63 X 10-34 Js

 

 

 

Since: c = fλ

c = 3 x 108 m/s

 

And f = c/λ

 


E = hc/λ


 


Einstein,
Photoelectric Effect

 

ŠTony Mangiacapre.,- All Rights Reserved [Home]
Established 1995
Use any material on this site (w/ attribution)