A light ray is incident by grazing one of the face of a prism and after refraction ray does not emerge out, what should be the angle of prism while crictal angle is C ? A light ray is incident by grazing one of the face of a prism and after refraction ray does not emerge out what should be the angle of prism while crictal angle is C ? September 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related