Question

what is decay constant and its value

Answer 1

Answer:

The decay constant is the fraction of the number of atoms that decay in 1 second. It is the constant λ in the decay equation: dN/dt = -λN The - sign indicates decay, dN/dt is the number of decays per second (also known as 'Activity') and N is the number of atoms present.

Explanation:

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Answer 2

Answer:

The decay constant is the fraction of the number of atoms that decay in 1 second. It is the constant λ in the decay equation: dN/dt = -λN The - sign indicates decay, dN/dt is the number of decays per second (also known as 'Activity') and N is the number of atoms present.