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प्रश्न
What were the roles of the two metal plates in Lenard's experiment?
विकल्प
Both plates acted as collectors
Both plates acted as emitters
One plate acted as an electroscope, and the other acted as a zinc plate
One plate acted as the emitter, and the other acted as the collector
MCQ
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उत्तर
The emitter was the plate illuminated to release electrons. The collector was the other plate, toward which the emitted electrons moved.
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