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Question No 33 Single Correct ENGLISH A radioactive element X disintegrates into a stable element...

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Question No 33 Single Correct ENGLISH A radioactive element X disintegrates into a stable element Y with half life 2 year A fresh sample of X is available at t 0 At whic instant ratio of nuclei of X to nuclei of Y becomes 1 7 in the given sample A B C D t 8 yr t 6 yr t 14 yr Maximum Mark 4 00 t 2 yr

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