The radius of a nucleus of mass number can be estimated by the formula m

PHYSICS · Single correct · A Level · Physics · Nuclear physics · Nuclear physics

Problem

The radius

R

of a nucleus of mass number

A

can be estimated by the formula

R = (1.3 \times 10^{-15})A^{1/3}

m. It follows that the mass density of a nucleus is of the order of : (

M_{\text{prot.}} \cong M_{\text{neut.}} \cong 1.67 \times 10^{-27}

kg) [Main Sep. 03, 2020 (II)] (1)

10^3 \text{ kg m}^{-3}

(2)

10^{10} \text{ kg m}^{-3}

(3)

10^{24} \text{ kg m}^{-3}

(4)

10^{17} \text{ kg m}^{-3}