26:50

C-12||LEC-2||RAY OPTICS||PHYSICS BY NISHANT SIR

31:49

C-12||LEC-4||RAY OPTICS||PHYSICS BY NISHANT SIR

33:41

C-12||LEC-5||RAY OPTICS||PHYSICS BY NISHANT SIR

20:18

C-12||LEC-6||RAY OPTICS||PHYSICS BY NISHANT SIR

1:10:06

C-12||LEC-1||WAVE OPTICS||PHYSICS BY NISHANT SIR

32:13

C-12||LEC-8||RAY OPTICS||PHYSICS BY NISHANT SIR

1:00:25

C-12||LEC-2||WAVE OPTICS||PHYSICS BY NISHANT SIR

31:06

C-12||LEC-7||RAY OPTICS||PHYSICS BY NISHANT SIR