How long can an electric lamp of 500 W be kept glowing by

Last updated: 6/14/2023

How long can an electric lamp of 500 W be kept glowing by fusion of 2 kg of deuterium Take the fusion reaction as H H He n 3 27 MeV O 3 15 x 1011 s O 3 15 x 1014 s O 3 15 107 s 0315x108 s