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Light of certain wavelength and intensit...

Light of certain wavelength and intensity ejects photoelectrons from a metal plate. Then this beam is replaced by another beam of smaller wavelength and smaller intensity. As a result

A

kinetic energy of the photoelectrons decreases but the strength of the photoelectric current increases

B

kinetic energy of the photoelectrons increases but the strength of the photoelectric current decreases

C

no change occurs

D

emission of photoelectrons stops.

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