How much time will light take to cross 2 mm thick glass pane if refractive index of glassis `3//2`?

How much time will sunlight take to pass through the glass window of thickness 4 mm ? mu of glass = 1.5.

The time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is

The optical path of monochromatic light is same if it travels 2 cm thickness of glass or 2.25 cm , thickness of water. If refractive index of glass is 1.5 , what is the refractive index of water ?

The refractive index of water is 4//3 .How much time will light take to travel through a water column of length 500 m?

Calculate the time which light will take to travel normally through a glass plate of thickness 1 mm . Refractive index of glass is 1.5 .

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

Speed of light in glass is 2 xx 10^8 m//s . Refractive index of glass is.......

The time taken by the light to cross a glass of thickness 4 mm and refractive index (mu = 3) , will be