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A great video lecture conducted by experienced physics teacher on 12th class physics chapter 21 topic21.1 atomic nucleus. Get full understanding or ask any questions.

Atomic Nucleus, ch 21, lec 21.1, Atomic Nucleus - Inter Part 2 Physics

16:33

Explain Isotopes, ch 21, lec 21.1, Atomic Nucleus - Inter Part 2 Physics

7:08