If c is the velocity of light in free space, the time taken by light to travel a distance x in a medium refractive index `mu` is

If c is the velocity of light in free space, then the time taken by light to travel a distance x in a medium refractive index mu is

If c is the velocity of light in free space, then the time taken by light to travel a distance x in a medium refractive index mu is

If c is velocity of light in free space, the time taken by the light to travel a distance x in a medium of refractive index mu is given by

Calculate the time taken by light to travel a distance of 10 km in water of refractive index 4//3 .

Light travel through a glass place of thickness t and refractive index 'n'. If c is the velocity of light in vacuum, then the time taken by light to travel the thickness of the plate will be

Light travels through a glass plate of thickness t, having refractive index mu . If c is the velocity of light in vaccum, then the time taken by light to travel this thicness of glass is

What is the time taken by light to travel through a glass slab of thickness ‘d’ and refractive index mu ?

Velocity (v) of light in a medium (refractive index mu ) vary as