Which of the following formulae gives the expression for half-life of a radioact

Question

Which of the following formulae gives the expression for half-life of a radioactive isotope when ‘λ’ is the decay constant?

Options:

A . 0.762/λ

B . 0.693/λ

C . 0.937/λ

D . 0.258/λ

Answer: Option B
Answer: (b).0.693/λ

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