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A radioactive substance (parent) decays ...

A radioactive substance (parent) decays to its daughter element . The age of radioactive substance (t) is related to the daughter (d)/parent (p) ratio by the equation :

A

`t = (1)/(lambda) In ((D)/(P))`

B

`t = (1)/(lambda) In (1 + (P)/(D))`

C

`t = (1)/(lambda) In (1 + (D)/(P))`

D

`t = (1)/(lambda) In (2 + (D)/(P))`

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The correct Answer is:
c
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