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1)

 If the nuclear radius of 27 Al is 3.6 Fermi, the approximate nuclear radius of 64Cu  in Fermi is


A) 4.8

B) 3.6

C) 2.4

D) 1.2

Answer:

Option A

Explanation:

 Nuclear radius , rA1/3

 Where A is mass number

 rCurAl=(ACuAAl)1/3=(6427)1/3

rCu=3.6(43)=4.8Fermi