Hellow guys, Welcome to my website, and you are watching Ray Optics | Formulae and Concept REVISION in 20 min | JEE Physics by Mohit Sir (IITKGP). and this vIdeo is uploaded by Eduniti - Physics by Mohit Goenka_IITKGP at 2021-07-19T23:53:46-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.