How many gamma-ray photons are produced when an electron and a positron annihilate each other?

Physics Mcqs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Physics Mcqsphysics-mcqs
Published
30 Aug 2024
Last updated
28 May 2026

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Explanation

When an electron and a positron annihilate, they typically produce two gamma-ray photons to conserve both energy and momentum.

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