lecture 25| Ray optics|board 12th| IIT NEET|Er. Santosh Kumar @magnetacademy413
22:35
lecture 30|Ray optics|boards 12th|IIT NEET| Er Santosh Kumar@magnetacademy413
20:20
lecture 29|Ray optics|boards 12th|IIT NEET| Er Santosh Kumar@magnetacademy413
23:21
lecture 27|Ray optics| IIT NEET board|Er Santosh Kumar @magnetacademy413
30:42
lecture 15| Ray optics |12th |IIT-NEET |Er.santosh kumar |board @magnetacademy413
16:16
lecture 28|Ray optics|boards 12th|IIT NEET| Er Santosh Kumar
31:13
lecture 23| Ray optics|dispersive power||board|12th| IIT- NEET|Er.santosh Kumar @magnetacademy413
17:51
lecture 26|Ray optics|board| IIT NEET| Er Santosh Kumar @magnetacademy413
17:16