The index of refraction of heavy flint glass is `1.68` at `434 nm` and `1.65` at `671nm`.
Channel: Doubtnut
Date: 2020-07-05

The index of refraction of heavy flint glass is `1.68` at `434 nm` and `1.65` at `671nm`. Calculate the difference in the angle of deviation of blue `(434 nm)` and red `(671 nm)` light incident at `65^@` on one side of a heavy flint glass prism with apex angle `60^@`.