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N(1) atoms of a radioactive element emit...

`N_(1)` atoms of a radioactive element emit `N_(2)` beta partilces per second. The decay cosntant of the element is (in `s^(-1)`)

A

`N_(1)/N_(2)`

B

`N_(2)/N_(1)`

C

`N_(1)` in (2)

D

`N_(2)` in (2)

Text Solution

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The correct Answer is:
B
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