In a fluorescent discharge tube, how is white light primarily generated?

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Physics · Modern Physics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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By exciting a filament to emit electrons that cause gas discharge and phosphor excitation

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Answer 1

By macroscopic mechanical oscillation of gas molecules

Answer 2

By nuclear excitation of heavy isotopes inside the tube

Answer 3

By exciting a filament to emit electrons that cause gas discharge and phosphor excitation

Answer 4

By heating a copper wire resistive element

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