Atoms And Nuclei Question 391

Question: A radioactive element decays to 14 th of its initial value in time t. The ratio of its half-life to mean life is

Options:

A) ln2λ2

B) ln2λ

C) 2ln2

D) ln2

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Answer:

Correct Answer: D

Solution:

  • Half-life, t1/2=In,2λ Mean life, τ=1λ,,t1/2τ=In2.


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