Question

Frequency of a colour in visible light is
5x1014 Hz. Wave number is
1) 1.67 x 104 cm 2) 1.67x10-4cm
3) 1.67 x1024 cm! 4) 1.67x1014 cm
-1​

Answer 1

Answer:

Explanation:

v= nλ

λ = 3*10^8/ 5*10^14

Wave number = 1/λ

= 5*10^14/3*10^8

= 1.67 x10-4cm