Physics · 2016
NEET 2016 · 24 July · Code AA · Q42
The half-life of a radioactive substance is 30 minutes. The time (in minutes) taken between 40% decay and 85% decay of the same radioactive substance…
The half-life of a radioactive substance is $\displaystyle 30$ minutes. The time (in minutes) taken between $\displaystyle 40$% decay and $\displaystyle 85$% decay of the same radioactive substance is
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle 60$
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NEET (UG) 2016 Physics question, with the answer from NTA’s final answer key. Where our answers come from.