13.Nuclei
easy

किसी रेडियोएक्टिव पदार्थ के $\lambda $ व अर्द्ध-आयु $({T_{1/2}})$ में सम्बन्ध है

A

$\left(\lambda+ T _{1 / 2}\right)=\frac{ln }{2}$

B

$T _{1 / 2}=\frac{ln2}{\lambda}$

C

$T _{1 / 2}\; ln 2=\lambda$

D

$T _{1 / 2}=\frac{1}{\lambda}$

(AIPMT-2000)

Solution

(b) Relation between half-life ( $T_{1 / 2}$ ) of a radioactive substancce and its decay constant $\lambda$ is $\lambda=\frac{\log _{e} 2}{T_{1 / 2}}$

Standard 12
Physics

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