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In which of the following decays n/p ratio increases

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α –decay

β –decay

γ –decay

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detailed solution

Correct option is A

n/p ratio lower than required for stability then α -emission takes place. Ex: 92U238→90Th234+2He4 n/p ratio of U = 14692=1.58 n/p ratio of Th = 14490=1.60

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