The refractive index of a glass is 1.520 for red light and 1.525 for blue light. Let D₁ and D₂ be angles of minimum deviation for red and blue light respectively in a prism of this glass. Then,

(C) D₁ can be less than or greater than D₂ depending upon the angle of prism

Optics: JEE Main 2006 Physics question

JEE Main 2006 · Annual, Paper 1 · Q7092

JEE Main 2006Annual, Paper 1PhysicsEasyOptics190× since 2002

The refractive index of a glass is

1.520

for red light and

1.525

for blue light. Let

{D_1}

and

{D_2}

be angles of minimum deviation for red and blue light respectively in a prism of this glass. Then,