Question

Wavelength of a radiation is 500 m. Its wave number is
6 ⨉ 10 ¹⁴ m⁻¹
b) 2 ⨉ 10 ⁶ m⁻¹
c) 0.2 ⨉ 10⁻² m⁻¹
d) 6 ⨉ 10 ⁵ m⁻¹

Answer 1

Explanation:

Wave Number :- 1/ Wavelength

= 1/ 500

0.2×0.01 = 0.2×10^-2