Image formation by Convex mirror & magnificationby Deepak Sir
17:20
Formal letter by Subham Sir
32:34
Human Heart Class-7 by Abhijeet Sir
23:33
Rest and Motion Class-7 by Gyanshu Sir
15:09
laws of reflection of light
11:55
Image Formation by a Concave Mirror by Deepak Sir
16:06
PASSIVES OF INTERROGATIVES CLASS-7 BY RAVI SIR
15:12
Magnetic field and properties Class-6 by Gyanshu Sir
13:18