A mono chromatic light passes through a glass slab (`mu`=1.5) of thickness 9cm in time `t_1` .If it takes a time `t_2` to travel the same distance through water (`mu`=(4)/(3)) .The value of (`t_1`-`t_2`)

A monochromatic light passes through a glass slab (mu = (3)/(2)) of thickness 90 cm in time t_(1) . If it takes a time t_(2) to travel the same distance through water (mu = (4)/(3)) . The value of (t_(1) - t_(2)) is

The refractive index of glass is 1.9 . If light travels through a glass slab of thickness d in time t and takes the same time to travel through a transparent beaker filled with water upto a level of 1.5 d, then the refractive index of water is

The time taken by a ray of light to travel through a glass slab of thickness 2 cm and refractive index 1.5 will be

A light passes through glass slabv of refractive index 1.5 and thickness 2 mm. How much time ray will take to pass through the glass slab ?

A ray of light strikes a glass slab (R.l. = mu ) of finite thickness t. The emerging light is

A ray of light passes normally through a slab mu=1.5 of thickness t . If the speed of light in vaccum be c , then time taken by the ray to go across the slab will be

Light passes through a glass slab with parallel sides and thickness t. If i and r the angles of incidence of refraction, the lateral displacement is

A ray of light passes through a glass plate of thickness and refractive index mu if the speed of light in vacuum is c ,then the time taken by light in passing through the plate will be-

A ray of light passes throught a plane glass slab of thickness t and refractive index mu = 1.5 . The angle between incident ray and emergent ray will be

An ink mark on a sheet of paper is viewed through a glass slab of thickness t and refractive index mu . Through what distance the mark appears to be raised ?