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Distinguish between thermionic emission and photoelectric emission.
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Jul 8, 2021
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Physics Form 4
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anonymous
Distinguish between thermionic emission and photoelectric emission.
photoelectric effect
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Jul 8, 2021
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Thermionic emission – Is the escape or evaporation of electrons from a metal surface when heated
Photoelectric emission – Is the escape or evaporation of electrons from a metal surface when light of suitable frequency falls on the metal surface.
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