A radioactive nucleus n₂ has 3 times the decay constant as compared to the decay constant of another radioactive nucleus n₁. If initial number of both nuclei are the same, what is the ratio of number of nuclei of n₂ to the number of nuclei of n₁, after one half-life of n₁ ?

Atoms and Nuclei: JEE Main 2025 Physics question

JEE Main 2025 · 23 Jan, Morning shift · Q30

JEE Main 202523 Jan, Morning shiftPhysicsMediumAtoms and Nuclei183× since 2002

A radioactive nucleus

n_2

has 3 times the decay constant as compared to the decay constant of another radioactive nucleus

n_1

. If initial number of both nuclei are the same, what is the ratio of number of nuclei of

n_2

to the number of nuclei of

n_1

, after one half-life of

n_1

JEE Main 2025 Atoms and Nuclei Question with Solution (23 Jan Morning shift, Q30) | JEE Arc