If the refractive indices of a prism for red, yellow and violet colours be `1.61, 1.63` and `1.65`
Channel: Doubtnut
Date: 19/01/2020

If the refractive indices of a prism for red, yellow and violet colours be `1.61, 1.63` and `1.65` respectively, then the dispersive power of the prism will be