Q. 19

Expert-verifiedFound in: Page 1207

Book edition
4th

Author(s)
Randall D. Knight

Pages
1240 pages

ISBN
9780133942651

An excited state of an atom has a lifetime. What is the probability that an excited atom will emit a photon during a interval?

The probability that an excited atom will emit a photon during a interval is

We need to find the probability that an excited atom will emit a photon during a interval.

Consider :

Using formula:

.

First, finding the decay rate:

Now, find prob decay :

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