The half-life of against alpha decay is

PHYSICS · Subjective · CBSE · Physics · Nuclei · Nuclei

Problem

The half-life of

{}^{238}_{92}\mathrm{U}

against alpha decay is

4.5\times10^9\,\mathrm{years}

. How many disintegrations per second occur in

1\,\mathrm{g}

{}^{238}_{92}\mathrm{U}