Listen.. class today we start new chapter that is aaptics (optics) .. Under to the aaptics there are two aaptics that is Ray aaptics and Wave aaptics. .. Samajh ayaa???
Students: Yes sir!!
Sir: nhi Samajh ayaa..👋👋 **repeats** samjhe. ???
Nhi samjhe. !!! **again repeats the same thing😧😧**
