Question

Light travels through a glass plate of thickness t and refractive index $\mu$ If c is the speed of light in vacuum, the time taken by light to travel this thicknes of glass is

• A. $\mu tc$
• B. $\frac{tc}{\mu }$
• C. $\frac{t}{\mu c}$
• D. $\frac{\mu t}{c}$

Answer 1

The correct option is D $\frac{\mu t}{c}$

Option D is correct