Question

The frequency of a light ray is $6\times {10}^{14}Hz$. Its frequency when it propagates in a medium of refractive index 1.5, will be

• A. $1.67\times {10}^{14}Hz$
• B. $9.10\times {10}^{14}Hz$
• C. $6\times {10}^{14}Hz$
• D. $4\times {10}^{14}Hz$

Answer 1

The correct option is A $1.67\times {10}^{14}Hz$

Frequency remain unchanged.