Question

Define half - life of a radioactive substance. Deduce its relation with disintegration
constant. What is the significance of half - life?

Answer 1

Answer:

Half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegrations per second of a radioactive ...

Explanation:

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