Chemistry · 2022
JEE Main · 28 June 2022, Shift 2 · Q85
A radioactive element has a half life of 200 days. The percentage of original activity remaining after 83 days is \ \ \ \. (Nearest integer) (Given:…
A radioactive element has a half life of $\displaystyle 200$ days. The percentage of original activity remaining after $\displaystyle 83$ days is \_\_\_\_. (Nearest integer)
(Given : antilog $\displaystyle 0.125=1.333$, antilog $\displaystyle 0.693=4.93$ )
Official answer
75
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