The frequency of light in air is $5\,\, \times \,\,{10^{14}}\,\,{\rm{Hz}}$. What will be the frequency of light, when it enters in the water?

$5\,\, \times \,\,{10^{14}}\,\,{\rm{Hz}}$

$2.5\,\, \times \,\,{10^{14}}{\rm{ }}\,\,{\rm{Hz}}$

$2.5\,\, \times \,\,{10^{12}}{\rm{ }}\,\,{\rm{Hz}}$

NEET UG PHYSICS MCQ: RAY OPTICS

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Understanding +4 | -1

The frequency of light in air is

5\,\, \times \,\,{10^{14}}\,\,\mathrm{Hz}

. What will be the frequency of light, when it enters in the water?

View answer and explanation

Correct option: B

5\,\, \times \,\,{10^{14}}\,\,\mathrm{Hz}

Option B is correct. The frequency of light remains constant when it travels from one medium to another.

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