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If 5 g of a radioactive substance has t(...

If 5 g of a radioactive substance has `t_(1//2) = 14 h, 10 g` of the same substance will have `t_(1//2)` equal to

A

70 h

B

14 h

C

28 h

D

50 h

Text Solution

Verified by Experts

The correct Answer is:
b
`t_(1//2) = (0.693)/(lambda)` and it is independent of initial amount or mass.
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