A ray of light is incident normally on one of the faces of a prism of apex angle 3 0 ∘ and refractive index 2 . The angle of deviation of the ray is-

Question

A ray of light is incident normally on one of the faces of a prism of apex angle 3 0 ∘ and refractive index 2 ​ . The angle of deviation of the ray is-

TestHub · Accepted Answer

2 ​ ( 2 1 ​ ) = sin r ; r = 4 5 ∘ Deviation angle δ = ( i + e ) − ( r 1 ​ + r 2 ​ ) δ = ( 0 + 4 5 ∘ ) − 3 0 ∘ ⇒ 1 5 ∘

Physics - Geometrical Optics Question with Solution | TestHub

Options:

Doubts & Discussion