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A beam of light of certain intensity and...

A beam of light of certain intensity and wavelength ejects photoelectrons from a metal surface. This beam is then replaced by another beam of less intensity and smaller wavelength . As a result

A

emission of photoelectrons is stopped

B

no change in intensity and wavelength is produced

C

K.E. of the photoelectrons increases but the photoelectric current decreases

D

K.E. of the photoelectrons decreases but the photoelectric current increases

Text Solution

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The correct Answer is:
C
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MARVEL PUBLICATION-ELECTRONS AND PHOTONS -TEST YOUR GRASP - 17
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