Biology, asked by himanshubhatt645, 9 months ago

10. If photoelectrons are to be emitted from a
potassium surface with a speed of 6.0 10ºms , what
frequency of radiation must be used? The threshold
frequency for potassium is 4.22 10 Hz,
(h 6.6 10 94Js, m 9.1 1031 kg)​

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Answered by rsdeepakumar2016
1

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