Question: A positron and an electron annihilate each other upon colliding, thereby producing energy: Assuming that both y rays have the same energy, calculate the wavelength

A positron and an electron annihilate each other upon colliding, thereby producing energy:
2 8y -fe + fe

Assuming that both y rays have the same energy, calculate the wavelength of the electromagnetic radiation produced.

2 8y -fe + fe

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