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The activity of a radioactive substance ...

The activity of a radioactive substance is 4700 per minute. Five minute later the activity is 2700 per minute. Find
(a) decay constant and
(b) half-life of the radioactive substance.

Text Solution

Verified by Experts

`T_(1//2) =( 0.693 )/( lamda) = ( 0.693 )/(0.11086 )`
` T_(1//2) =6.25 ` minutes.
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