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A sample of radioactive material has mas...

A sample of radioactive material has mass `m`, decay constant `lambda`, and molecular weight `M`. Avogadro constant `=N_(A)`. The initial activity of the sample is:

A

`lambda m`

B

`lambda (m)/(M)`

C

`(lambda m N_(4))/(M)`

D

`mMe^(lambda)`

Text Solution

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The correct Answer is:
c
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