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प्रश्न
Under what condition did current flow in Lenard's experiment?
पर्याय
Whenever low-frequency light was strong
Only when suitable radiation fell on the emitter plate
Only when the incident light was removed
Only when a zinc plate was connected to an electroscope
MCQ
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उत्तर
Current flowed only while suitable radiation fell on the emitter plate. Its disappearance when the light was removed showed that incident light caused the emission.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
