1.

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

A. 0.762/λ
B. 0.693/λ
C. 0.937/λ
D. 0.258/λ
Answer» C. 0.937/‚âà√≠¬¨‚Ñ¢


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