A photo-cell 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 into a change in the work function of the photocathode
D. Change in the frequency of light into a change in the electric current
Answer:B
A photo-cell 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 into a change in the work function of the photocathode D. Change in the frequency of light into a change in the electric current