A glass prism of refractive index 1.5 is immersed in water (refractive index 4/3). A light beam incident normally on the face AB is totally reflected to reach on the face BC if. A glass prism of refractive index 1.5 is immersed in water (refractive index 4/3). A light beam incident normally on the face AB is totally reflected to reach on the face BC if. November 17, 2020 Category: Cengage NEET by C.P Singh , Chapter 17 - Refraction of Light by Plane Surfaces , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related