Question

Radius of ${}_{13}A{I}^{27}$ nucleus ($R_0$ = 1.2 fermi) in units of fermi is

• A. 1.2
• B. 2.4
• C. 3.6
• D. 4

Answer 1

Answer: (C)

As $R=R_0(A{)}^{1/3}$
Here, $R_0=1.2fermi,A=27,R=?$
$\therefore R=1.2(27{)}^{1/3}=3.6rermi$