The frequency of a light ray is $6 \times 10^{14} \mathrm{~Hz}$. Its frequency when it propagates in a…

The frequency of a light ray is $6 \times 10^{14} \mathrm{~Hz}$. Its frequency when it propagates in a medium of refractive index 1.5, will be
  1. $1.67 \times 10^{14} \mathrm{~Hz}$
  2. $9.10 \times 10^{14} \mathrm{~Hz}$
  3. $6 \times 10^{14} \mathrm{~Hz}$
  4. $4 \times 10^{14} \mathrm{~Hz}$

Solution

When light ray passes from one medium to another medium, then its frequency does not change.

Asked in: AP EAMCET 2023 (17 May Shift 1)

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