Light and Prisms

Angle of deviation is

• angle by which incident ray deviates through prism

• angle between incident ray and refracted ray

• angle between incident ray and normal

Angle of deviation does not depend on

• angle of incidence

• angle of prism

• frequency of light

angle of deviation will be maximum for-----colour

• red

• violet

• green

which colour has least refractive index?

• red

• blue

• violet

• yellow

Rainbow is formed due to-----of light

• refraction

• reflection

• dispersion