A nucleus with Z = 92 emits the following in a sequence : α, α, β , β , α, α, α, α, β , β , α, β , β+, α. The - - - - + Z of the resulting nucleus is-
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Question

A nucleus with Z = 92 emits the following in a sequence : α, α, β , β , α, α, α, α, β , β , α, β , β+, α. The − − − − + Z of the resulting nucleus is-

G1 Physics · Accepted Answer

Step 1: Use conservation of mass number and charge, together with Q = (m₁−m₂)c². Step 2: For fission/fusion compare total binding energies; for β decay the mass number stays unchanged. Final: B: 78.