A 40 W electric bulb is operated continuously for 8 h

PHYSICS · Subjective · A Level · Physics · Nuclear physics · Nuclear physics

Problem

A 40 W electric bulb is operated continuously for 8 h. Assuming each fission of a

^{235}\mathrm{U}

nucleus releases 200 MeV, calculate the approximate number of fissions required to supply this energy. (Take

1\,\text{eV}=1.6\times10^{-19}\,\text{J}