Answered

A "phaser" blast form the starship "ENTERPRISE" sends out a

light burst with a wavelength of 636 nanometers.

(nm=1. 0x10-9m) What is the frequency of the light beam?

Answer :

ONYEBUCHINNAJIGO

The frequency of the light beam is 4.72 x 10¹⁴ Hz.

Frequency of the light beam

The frequency of light beam and wavelength of light is related in the following equations;

c = fλ

where;

  • c is the speed of light = 3 x 10⁸ m/s
  • f is the frequency
  • λ is the wavelength

f = c/λ

f = (3 x 10⁸) / (636 x 10⁻⁹)

f = 4.72 x 10¹⁴ Hz

Thus, the frequency of the light beam is 4.72 x 10¹⁴ Hz.

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