JEE PHYSICS MCQ: NUCLEI

1 Medium

1 of 1

Application +4 | -1

A radio active material is reduced to

1 / 8

of its original amount in 3 days. If

8 \times 10^{-3} \, \mathrm{kg}

of the material is left after 5 days the initial amount of the material is

View answer and explanation

Correct option: D

256 \, \mathrm{g}

Option D (

256 \\, \mathrm{g}

) is correct because it is the initial amount calculated using the half-life and the amount remaining after 5 days.

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