Q. If the speed of light in vacuum is $C\ m/sec$, then the velocity of light in a medium of refractive index 1.5

A) Is $1.5 \times C$
B) Is $C$
C) Is $\frac{C}{1.5}$
D) Can have any velocity
Explanation

(c) $\mu = \frac{C}{C_{m}} \Rightarrow C_{m} = \frac{C}{1.5}$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.