Question

The wave no of beam of light in air is 5into 106 m if the velocity of light in air is 3into108m/s find the frequency of the beam

Answer 1

Hola mate

This is your answer

We know that

Wave no =1/wavelength

Frequency =c/wavelength

Frequency =c*wave no

Frequency =3*10( 8)*5*10(6)

Frequency =15*10(14) hertz

Hope it helps you

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