What can you infer about the half life s

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Target Exam

CUET

Subject

Physics

Chapter

Nuclei

Question:

A sample has decay constant of 2.5 × 10³s^–1.

What can you infer about the half life sample?

Options:

4.5 minutes

9 minutes

0.4 s

data insufficient

Correct Answer:

4.5 minutes

Explanation:

Half life : $ t_{\frac{1}{2}} = \frac{0.693}{λ} = \frac{0.693}{2.5\times 10^{-3}} = 4.5\text{ minutes}$