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The decay constant of radioactive substa...

The decay constant of radioactive substance is 0.173 `("years")^(-1)` . Therefore

A

One sixth of the radioactive substance will be left after 8 years

B

Half life of the radioactive substance is 1/0.173 year

C

Nearly 63% of the radioactive substance will decay in 1/0. 173 years

D

All the above statements are true.

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The correct Answer is:
C
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