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Q. 73

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 1062

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Short Answer

An electron moving to the right at collides with a positron moving to the left at . The two particles annihilate and produce two gamma-ray photons. What is the wavelength of the photons?

The wavelength of the photons is .

See the step by step solution

Step by Step Solution

Step 1:Given Information 

We need to find the wavelength of the photons.

Step 2: Simplify

Consider:

using formula :

...(1)

we get relation for , from equation (1)

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