ComedkRay OpticsCOMEDK 2025 Afternoon ShiftMCQ+1 / -02025What is the velocity of light in vacuum if the velocity of light in a medium of refractive index 1.2 is ' v ' $\mathrm{ms}^{-1}$ ?A $\left(\frac{v}{1.2}\right) m s^{-1}$B $(2.4 v) \mathrm{ms}^{-1}$C $(1.2 v) \mathrm{ms}^{-1}$D $3 \times 10^8 \mathrm{~ms}^{-1}$Check AnswerClear SelectionReveal AnswerShow Explanation
