Q. The half-life of Co-60 is approximately:

(A) 74 days
(B) 129 days
(C) 5.3 years
(D) 30.1 years

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✅ Correct Answer: (C) 5.3 years

Published by Mr. Dubey ⭐ 111.54K Points at 21-Sep-2023 07:20 pm in Non Destructive Testing and Evaluation

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