Atoms and Nuclei: JEE Main 2021 Physics question

JEE Main 2021 · 20 Jul, Evening shift · Q57

JEE Main 202120 Jul, Evening shiftPhysicsMediumAtoms and Nuclei183× since 2002

A radioactive substance decays to

{\left( {{1 \over {16}}} \right)^{th}}

of its initial activity in 80 days. The half life of the radioactive substance expressed in days is ____________.

Your answerType your answer. Integers and decimals are accepted.

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JEE Main 2021 Atoms and Nuclei Question with Answer (20 Jul Evening shift, Q57) | JEE Arc

JEE Main 2021 · 20 Jul, Evening shift · Q57

JEE Main 202120 Jul, Evening shiftPhysicsMediumAtoms and Nuclei183× since 2002

A radioactive substance decays to

{\left( {{1 \over {16}}} \right)^{th}}

of its initial activity in 80 days. The half life of the radioactive substance expressed in days is ____________.

Your answerType your answer. Integers and decimals are accepted.