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Tritium has a half-life of 12.5 y underg...

Tritium has a half-life of 12.5 y undergoing beta decay. What fraction of sample of pure tritium will remain undecayed after 25 y.

A

One half

B

One fourth

C

One third

D

Three fourth

Text Solution

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The correct Answer is:
B
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NTA MOCK TESTS-NTA NEET SET 74-PHYSICS
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