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In an Experiment on Photoelectric Effect, a Photon is Incident on an Electron from One Direction and the Photoelectron is Emitted Almost in the Opposite Direction.

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प्रश्न

In an experiment on photoelectric effect, a photon is incident on an electron from one direction and the photoelectron is emitted almost in the opposite direction. Does this violate the principle of conservation of momentum?

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उत्तर

No, it does not violate the principle of conservation of momentum. In the photon-electron collision, the energy and momentum are conserved.

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अध्याय 42: Photoelectric Effect and Wave-Particle Duality - Short Answers [पृष्ठ ३६३]

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एचसी वर्मा Concepts of Physics Volume 1 and 2 [English]
अध्याय 42 Photoelectric Effect and Wave-Particle Duality
Short Answers | Q 7 | पृष्ठ ३६३

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(Use h = 6.63 × 10-34J-s = 4.14 × 10-15 eV-s, c = 3 × 108 m/s and me = 9.1 × 10-31kg)


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(Use h = 6.63 × 10-34J-s = 4.14 × 10-15 eV-s, c = 3 × 108 m/s and me = 9.1 × 10-31kg)


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