NP_JEE MAIN 2021_180321_S1 - Competishun – Live JEE & NEET Courses and Exam Prep

JEE MAIN 2021

18-03-21 S1

Question

A radioactive sample disintegrate via two independent decay processes having half lives $T_{1 / 2}^{(1)}$ and $T_{1 / 2}^{(2)}$ respectively. The effective half life of the nuclei is:

Select the correct option:

None of the above

$T_{1 / 2}=T_{1 / 2}^{(1)}+T_{1 / 2}^{(2)}$

$T_{1 / 2}=\frac{T_{1 / 2}^{(1)} T_{1 / 2}^{(2)}}{T_{1 / 2}^{(1)}+T_{1 / 2}^{(2)}}$

$T_{1 / 2}=\frac{T_{1 / 2}^{(1)}+T_{1 / 2}^{(2)}}{T_{1 / 2}^{(1)}-T_{1 / 2}^{(2)}}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Physics

Easy

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