A cesium photocell, with a steady potential difference of 6…

Physics Electron, Photon, Photoelectric Effect and X-rays Photon and Photoelectric Effect MCQ (Single Correct)

A cesium photocell, with a steady potential difference of 60V across, is illuminated by a bright point source of light 50 cm away. When the same light is placed 1m away the photoelectrons emitted from the cell

Are one quarter as numerous

Are half as numerous

Each carry one quarter of their previous momentum

Each carry one quarter of their previous energy

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The correct answer is:

Number of photo electrons

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