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प्रश्न
Where did a fluorescent glow appear during electric discharge through low-pressure gas?
विकल्प
On the glass opposite the cathode
On the glass behind the cathode
Between the two electrodes only
On the outer surface of the cathode
MCQ
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उत्तर
The fluorescent glow appeared on the glass opposite the cathode. It was attributed to radiation originating from the cathode.
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