परमाणु के नाभिक का आकार होता है ? - What is the size of the nucleus of an atom? - Parmanu Ke Nabhik Ka Akaar Hota Hai ? General Science in hindi, Physics 10⁻⁹m question answers in hindi pdf 10⁻¹⁰m questions in hindi, Know About 10⁻⁵m General Science online test General Science notes in hindi quiz book 10⁻¹⁵m
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10 ki pawer _15
Answer D is correct. Not B