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Alpha Decay

Unit of decay...

Question

Unit of decay constant is:

A

t i m e^{2}

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B

t i m e^{- 2}

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C

t i m e^{- 1}

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D

t i m e^{3}

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Solution

The correct option is C $t i m e^{- 1}$
The decay constant of radioactive decay is equal to the reciprocal value of the average lifetime.

$\frac{d N}{d t} = - λ N (λ i s d e c a y c o n s t a n t)$ .

Its unit is ${t i m e}^{- 1}$ .

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