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Question: pulse radiation...

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Pulse / Radiation

4. a) (3 points) What is the maximum number of electrons that can be emitted in a pulse if a potassium surface of work function 2.40 ev absorbs an average of 325 HJ/pulse of radiation from a Nitrogen laser at a wavelength of 337. nm? b) (1 point) If the pulse duration is 3. ns, what is the average power per pulse?

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