A radio active material is reduced to 1 / 8 of its original amount in 3 days. If 8 × 10⁻³ ~kg of the material is left after 5 days the initial amount of the material is

Atoms and Nuclei: JEE Main 2023 Physics question

JEE Main 2023 · 8 Apr, Evening shift · Q6137

JEE Main 20238 Apr, Evening shiftPhysicsMediumAtoms and Nuclei183× since 2002

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

JEE Main 2023 · 8 Apr, Evening shift · Q6137

JEE Main 20238 Apr, Evening shiftPhysicsMediumAtoms and Nuclei183× since 2002

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