Grade 7Wave Optics
when an inert gas isfilled in the place vacuum in a photo cell then what happens to photo-electric current?
when an inert gas isfilled in the place vacuum in a photo cell then what happens to photo-electric current?
1 Answer
Arun
In the presence of inert gas photoelectrons emitted by cathode ionise the gas by collision and hence the current increases.
Regards
Arun
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