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प्रश्न
In photoelectric effect, the photoelectric current started to flow. This means that the frequency of incident radiations is ______.
विकल्प
zero
infinity
less than threshold frequency
equal to or above the threshold frequency
MCQ
उत्तर
In photoelectric effect, the photoelectric current started to flow. This means that the frequency of incident radiations is equal to or above the threshold frequency.
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Experimental Study of Photoelectric Effect
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