A thin prism P₁ with an angle 6^(°) and made of glass of refractive index 1.54 is combined with another prism P₂ made from glass of refractive index 1.72 to produce dispersion without average deviation. The angle of prism P₂ is

Optics: JEE Main 2023 Physics question

JEE Main 2023 · 30 Jan, Evening shift · Q7119

JEE Main 202330 Jan, Evening shiftPhysicsEasyOptics190× since 2002

A thin prism

P_1

with an angle

6^{\circ}

and made of glass of refractive index

1.54

is combined with another prism

P_2

made from glass of refractive index

1.72

to produce dispersion without average deviation. The angle of prism

P_2