Physics - Geometrical Optics Question with Solution | TestHub

For a material medium, the values of refractive index for violet and red colours are given as${\mathrm{n}}_{\mathrm{v}}=\text{1.56}$and${\mathrm{n}}_{\mathrm{r}}=\text{1.44}$. The dispersive power of a prism made out of this material is