The refracting angle of a prism is A, the refractive index of the material of the prism is cot (A/2). The angle of minimum deviation is The refracting angle of a prism is A the refractive index of the material of the prism is cot (A/2). The angle of minimum deviation is August 20, 2020 Category: Chapter 32 - Ray Optics , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics , Facebook Messenger WhatsApp Share this:TwitterFacebook Related