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PhysicsModern PhysicsRadioactivityEasy2 minPYQ_2014

PhysicsEasysingle choice

$n$ -alpha particles per second are emitted from $N$ atoms of a radioactive element. The half-life of the radioactive element is

Answer:

Solution:

As $R = λ N, n = λ N$ , or $λ = (n / N)$ $T_{1/2} = \frac{0.693}{λ} = \frac{0.693 N}{n} s$

Stream:AIIMSSubject:PhysicsTopic:Modern PhysicsSubtopic:Radioactivity

⏱ 2mℹ️ Source: PYQ_2014

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