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Question 19: NCERT Solutions for 12th Class Physics: Chapter 13-Nuclei
How long can an electric lamp of 100 W be kept glowing by fusion of 2.0 kg of deuterium? Take the fusion reaction as
Solution:
Number of atoms present in 2 g of deuterium = 6.023 × 1023 Total number of atoms present in 2000 g of deuterium
Energy released in the fusion of 2 deuterium atoms = 3.27 MeV
Check the complete chapter with solutions.
NCERT Solutions for 12th Class Physics: Chapter 13-Nuclei