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Q. 19

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
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Short Answer

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

See the step by step solution

Step by Step Solution

Step 1: Given Information 

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

Step 2: Simplify

Consider :

Using formula:

.

First, finding the decay rate:

Now, find prob decay :

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