Question

Calculate the mass of a photon of sodium light having wave length of 5894 A' and velocity 3 x 10 to the power 3 meter per second

Answer 1

Explanation:

Wavelength =

mv

h

So m=

wavelength×velocity

h

Given, h=6.6×10

−34

Kgm

2

s

−1

On solving we get

m = 3.37×10

−36

Kg