The initial activity of a radioisotope is

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

Problem

1600\,\text{Bq}

. If its half-life is

2\,\text{h}

, what will be its activity after

6\,\text{h}

? (a)

400\,\text{Bq}

(b)

200\,\text{Bq}

(c)

80\,\text{Bq}

(d)

800\,\text{Bq}