Question

What is size of gold nuclei?

• A. $3R_0$
• B. $4R_0$
• C. $5R_0$
• D. $5.8R_0$

Answer 1

Answer: (D)

Nuclear radius of gold ${(}_{79}A{u}^{198})$
$R_{Au}=R_0(A^{1/3})$
$=(198{)}^{1/3}{R}_0$
$=5.8\times R_0$
(where $R_0=1.2\times 10^{-15}m=1.2fm)$