The half-life of a certain isotope is

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

Problem

2.0\,\text{years}

. In how much time will the number of undecayed nuclei reduce to

3.125\%

of its initial value? (a)

6\,\text{years}

(b)

10\,\text{years}

(c)

11\,\text{years}

(d)

8\,\text{years}