The phenomenon of changing direction of light at interface of the two media when it travels from one medium to another obliquely is called …………

During refraction ……… at the interface of two media.

The extent of the change in direction that takes place when a light ray propagates through one medium to another medium is called ………

The speed of light in vacuum is ………

The ratio of speed of light in vacuum to speed of light in that medium is called ………

Absolute refractive index n =

The refractive index of diamond is……

Which of the following is a dimension less quantity?

If the refractive index of glass is $\frac{3}{2}\backslash frac\{3\}\{2\}$ then the speed of light in glass is

Refractive index of a medium depends on ………

Which of the following is Snell’s law ?

Refractive index of glass relative to water is 9/8. The refractive index of water relative to glass is ………

During refraction light follows …………

Which of the following effect is not related to refraction ?

The refractive indices of four materials P, Q, R and S are 1.33,1.31,1.44 and 1.52 respectively. When the light rays pass from air into these materials, they refract the maximum in ……………