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Disintegration constant of a radioactive...

Disintegration constant of a radioactive material is `lambda`:

A

Its half life equal `(log_e^2)/lambda`

B

its means life equals `1/lambda`

C

At time equal to mean life, 63% of the initial radioactive material is left undecayed

D

After 3-half lives, `1/3`rd of the initial radioactive material is left undecayed

Text Solution

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The correct Answer is:
A, B
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