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JEE Main 20 July 2021 Shift 2 Solved Paper

Section: Physics
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Question : 30 of 90
 
Marks: +1, -0
A radioactive substance decays to (
1
16
)th of its initial activity in 80 days. The half life of the radioactive substance expressed in days is ______.
[20 Jul 2021 Shift 2]
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