Question

The ratio of the masses of the elements having their nuclear radii 2 fermi and 1 fermi is:

• A. 8
• B. 2
• C. 3
• D. 4

Answer 1

The correct option is A 8

$\frac{A_1}{A_2}=\frac{R_1^3}{R_2^3}$

$\frac{A_1}{A_2}=\frac{2^3}{1^3}$

$\frac{A_1}{A_2}=\frac{8}{1}$

$\frac{A_1}{A_2}=8$

Hence option 'A' is correct.