Half life of a radioactive element is ${\rm{10}}$ days. The time during which quantity remains ${\rm{1/10}}$ of initial mass will be

JEE PHYSICS MCQ: NUCLEI

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Half life of a radioactive element is

\mathrm{10}

days. The time during which quantity remains

\mathrm{1/10}

of initial mass will be

View answer and explanation

Correct option: C

\mathrm{33}

days

Option C (33 days) is the closest to the correct answer because after approximately 3.3 half-lives, the quantity of the radioactive element will be reduced to 1/10 of its initial mass.

JEE PHYSICS MCQ: NUCLEI

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