A ray of light moving along vector (3 root 2 i – 3 j – 3 k) under goes refraction at an interface of two media, which is y-z plane. The refractive index for x 0 it is root 2. Then, A ray of light moving along vector (3 root 2 i - 3 j - 3 k) under goes refraction at an interface of two media which is y-z plane. The refractive index for x 0 it is root 2. Then October 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related