At any instant, two elements X_1 and X_2 have same number of radioactive atoms. If the decay constant of X_1 and X_2 are 10 \lambda and \lambda respectively, then thetime when the ratio of their atoms becomes \frac{1}{e} respectively will be: [NEET Re-2022]

Class 12 NEET Physics Atoms and Nuclei Questions Part 2

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At any instant, two elements X1 and X2 have same number of radioactive atoms. If the decay constant of X1 and X2 are 10λ and λ respectively, then thetime when the ratio of their atoms becomes ‌

respectively will be:

[NEET Re-2022]

‌
1
5λ
‌
1
11λ
‌
1
9λ
‌
1
6λ

Validate

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