Reflection by Spherical mirror, science, PYQs RRBNTPC By-Akanksha ma'am
36:46
lenses (concave/convex) PYQs, science, RRB NTPC exam preparation By-Akanksha ma'am
30:26
Electric current, science, PYQs RRBNTPC By-Akanksha ma'am
23:11
Refraction of light,PYQs, science, RRB NTPC exam By-Akanksha ma'am
24:47
Coulomb's law, Electric circuit, PYQs, RRB NTPC exam By-Akanksha ma'am
18:37
Nature of light,science, PYQs, Railway NTPC exam By-Akanksha ma'am
17:04
Sound, science,RRB NTPC/JE/ALP/RPF/Group D, PYQs by Akanksha ma'am
29:09
Waves, PYQs, RRB NTPC/JE/ALP/RPF/Group D By Akanksha ma'am
16:25