See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

Applying Snell’s law r i sin sin 2 1                         2 2 2 2 2 2 3 d c c b a a Here 1 2 2 2 2     d c b a  3 4  c a -y x-z plane iˆ jb ia ˆ ˆ  r jd ic ˆ ˆ  1 2 i