Question

the wavelenght of a light is 520 nm in vaccum find its frequency?​

Answer 1

Answer:

5.77 x 10¹⁴ Hz

Explanation:

Here wavelength(λ) =520nm = 520x10⁻⁹ m

Frequency(ν) and wavelength(λ) of light in vacuum are related as

ν = c/λ, where c = speed of light in vacuum = 3 x 10⁸ m/s

⇒ ν = (3*10⁸ m/s)/(520*10⁻⁹m)

= 5.77 x 10¹⁴ Hz