Question

Does nucleus of atom has sharp boundaries and how is mass distributed in nucleus

Answer 1

Answer:

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Explanation:

The nucleus does not have a sharp boundary, so the "constant" R0 is only approximate; also, nuclear matter and nuclear charge do not seem to be identically distributed. The unit of length 10-15 m is called a femtometer, abbreviated fm, and also often called a fermi, so R=1.2A1/3 in units of fm.