Approximately how many lead nuclei placed side by side would just span a length of

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

Problem

Approximately how many lead nuclei

(A = 207)

placed side by side would just span a length of

1\,\text{μm}

? (Use

R_0 = 1.2\,\text{fm}

.) (a)

7 \times 10^{6}

(b)

3 \times 10^{7}

(c)

7 \times 10^{7}

(d)

1.4 \times 10^{8}