The refractive indices of four substances P,Q,R and S are 1.50, 1.36, 1.77 and 1.31 respectively. The speed of light is maximum in the substance:

The refractive index of four substance A,B, C and D are 1.31, 1.43 , 1.33 , 2.4 respectively . The speed of light is maximum in

The refractive index of four substances A, B, C and D are 1.31, 1.43, 1.33, 2.4 respectively. The speed of light is minimum in ......

The refractive indexes of four substances P,Q,R and S are 1.77, 1.52, 1.65 and 1.36 respectively. When light travelling in air is incident on these substances at equal angles, the angle of refraction will be the maximum in:

The refractive indices of alcohol and glass are 1.35 and 1.5 respectively. The refractive index of glass with respect to alcohol is

Refractive indices of ice and flint glass are 1.309 and 1.655 respectively. If the speed of light in ice is 1.292*10 ^ (8)m/s , determine the same in flint glass.

Refractive indices of water, sulphric acid, glass and carbon disulphide are 1.33, 1.43, 1.53 and 1.63 respectively. The light travels slowest in: