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Q.

The mass number of a nucleus is 216. Then radius of the nucleus is

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a

7.2×10−13cm

b

7.2×10−11cm

c

7.2×10−10cm

d

3.6×10−11cm

answer is C.

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Detailed Solution

R=R0A1/3=1.2×10−13×(216)1/3=7.2×10−13cm
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