Question

A laser dazzles the audience in a rock concert by emitting green light with a wavelength of 533 nm . Calculate the frequency of the light.

Answer 1

Answer:

f = 5.63 x 10¹⁴ Hz

Explanation:

Given,

speed of light, c = 3 x 10⁸ m/s

wavelength,λ = 533 n m = 5.33 x 10⁻⁷ m

frequency, f = ?

using formula of frequency

$f = \dfrac{c}{\lambda}$

c is the speed of light

$f = \dfrac{3\times 10^{8}}{5.33\times 10^{-7}}$

f = 5.63 x 10¹⁴ Hz

hence, the frequency of the light is equal to f = 5.63 x 10¹⁴ Hz