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After two hours 1//6 th of the initial a...

After two hours `1//6` th of the initial amount of a certain radioactive isotope remains undecayed. The half life of the isotope is :

A

17.3 min

B

34.7 min

C

46.4 min

D

1 hour

Text Solution

Verified by Experts

The correct Answer is:
C
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