Problem #0174 Quantum Physics Problem #0176 Chapters Chapters

876.

Problem 55.29 (RHK)

In an atomic bomb (A-bomb), energy release is due to the uncontrolled fission of (or ). The magnitude of the released energy is specified in terms of the mass of TNT required to produce the same energy release (bombrating”). One megaton of TNT produces of energy. We have to calculate the rating, in tons of TNT, of an atomic bomb containing 95 kg of , of which 2.5 kg actually undergoes fission. For plutonium, the average Q is 180 MeV.

Solution:             Click For PDF Version

The total number of nuclides contained in 2.5 kg of are

For plutonium, the average Q is 180 MeV. Therefore, the amount of energy that will be released in fission of 2.5 kg of will be

One megaton of TNT produces of energy. Therefore, the rating of the atomic bomb equivalent in TNT will be