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The radius of a nucleus is R. a. How i...

The radius of a nucleus is R.
a. How is it related to atomic mass (A) ?
b. Give the relation .
c. What is the value of the constant of proportionality?

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`a. R prop A^(1/3) " " b. R = R_0 A^(1/3) " " c. R_0 = (1.2 +- 0.2) xx 10^(-15)m`
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