When a monochromatic point source of light is at a distance of 0.2 m from a photoelectric…
Chemistry · JEE Advanced · NTA Exams — Atomic Structure
When a monochromatic point source of light is at a distance of 0.2 m from a photoelectric cell, the cut off voltage and the saturation current are respectively 0.6 V and 18.0 mA. If the same source is placed 0.6 m away from the photoelectric cell, then
- the stopping potential will be 0.2 volt
- the stopping potential will be 0.6 volt
- the saturation current will be 6.0 mA
- the saturation current will be 2.0 mA.
Answer
(B) the stopping potential will be 0.6 volt
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