A bone fragment shows a present activity that is of that in a living organism

PHYSICS · Single correct · CBSE · Physics · Nuclei · Nuclei

Problem

A bone fragment shows a present

^{14}\text C

activity that is

25\%

of that in a living organism. If the half-life of

^{14}\text C

5730\,

years, the approximate age of the bone is (a)

22\,900\,\text{years}

(b)

11\,460\,\text{years}

(c)

8\,600\,\text{years}

(d)

5\,730\,\text{years}