Dispersion Without Deviation Prisms (Jee Mains) | ExamDuo
Lenses and Prisms
Medium
Dispersion Without Deviation Prisms
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 :