For a certain transparent material the refractive index for violet light is times…

PHYSICS · Single correct · CBSE · Physics · The Human Eye and the Colourful World · The Human Eye and the Colourful World

Problem

For a certain transparent material the refractive index for violet light is

1.02

times that for red light. A beam of white light from air strikes the surface at

45^{\circ}

. The red component is refracted at

30^{\circ}

. The approximate angle of refraction for the violet component is (a)

31^{\circ}

(b)

29.4^{\circ}

(c)

30^{\circ}

(d)

28^{\circ}