what causes the fluoresent tubes and neon bulb to glow
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When an application of high voltage is provided to the electrodes, the neon gas ionizes due to the flow of e− which thereby excite the neon gas atoms and cause them to emit light. In the case of fluorescent tubes, low-pressure mercury vapour is present which emits UV light when ionized.
Answered by
1
Answer:
When an application of high voltage is provided to the electrodes, the neon gas ionizes due to the flow of e− which thereby excite the neon gas atoms and cause them to emit light. In the case of fluorescent tubes, low-pressure mercury vapour is present which emits UV light when ionized.
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