In the total binding energies of 1H2and2He4,26Fe56 and 92U235nuclei are 2.22, 28.3, 492 and 1786 MeVrespectively. Identify the most stable nucleus out of the following
A
1H2
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B
2He4
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C
26Fe56
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D
92U235
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Solution
The correct option is C26Fe56
BE per nucleon for 1H2,2He4,26Fe56 and 92U235 are respectively, 2.222,28.34,49256,1786235 Out of them all 49256is the greatest. Therefore, 26Fe56 is the most bound or most stable nucleus.