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The decay constant of a radioactive subs...

The decay constant of a radioactive substance is 0.173 `(year)""^(-1)`. Therefore

A

nearly 63% of the radioactive substance will decay in `(1/0.173years)`

B

half life of the radio active substance is `(1/0.173years)`

C

One sixth of the radioactive substance will be left after 8 year

D

all the above statements are true

Text Solution

Verified by Experts

The correct Answer is:
a

`lamda=2.303/tlog.N""_(0)/N)`
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