lecture 16 |Ray optics|board IIT-JEE| Neet|Er. Santosh Kumar @magnetacademy413
24:53
lecture 17| Ray optics| TIR| board 12th|IIT Neet|Er.santosh Kumar|@magnetacademy413
31:13
lecture 23| Ray optics|dispersive power||board|12th| IIT- NEET|Er.santosh Kumar @magnetacademy413
34:08
lecture 25| Ray optics|board 12th| IIT NEET|Er. Santosh Kumar @magnetacademy413
20:20
lecture 29|Ray optics|boards 12th|IIT NEET| Er Santosh Kumar@magnetacademy413
17:16
lecture 21|Ray optics| 12th | IIT NEET| Er. Santosh Kumar|boards
22:35
lecture 30|Ray optics|boards 12th|IIT NEET| Er Santosh Kumar@magnetacademy413
11:55
lecture 24| Ray optics|board|12th| IIT NEET| Er.santosh Kumar @magnetacademy413
15:48