The angle of prism is 42 degree and refractive index of its material is 3/2. Then angle of minimum deviation for this prism. The angle of prism is 42 degree and refractive index of its material is 3/2. Then angle of minimum deviation for this prism. November 9, 2020 Category: Chapter 9 - Ray Optics , MTG NEET Physics , Part 1 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related