A photocell employs photoelectric effect...

A photocell employs photoelectric effect to convert

A

Change in the frequency of light into a change in electric voltage

B

Change in the intensity of illumination into a change in photoelectric current

C

Change in the intensity of illumination tio a change in the work function of the photocathode

D

Change in the frequency of light into a change in the electric current

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The correct Answer is:

B

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