When a point source of monochromatic light is at a distance of 0.2 m from a photoelectric cell, the cut-off voltage and the saturation current are 0.6 volt and 18 mA respectively. If the same source is placed 0.6 m away from the photoelectric cell, then [IIT JEE 1992; MP PMT 1999]

Question

When a point source of monochromatic light is at a distance of 0.2 m from a photoelectric cell, the cut-off voltage and the saturation current are 0.6 volt and 18 mA respectively. If the same source is placed 0.6 m away from the photoelectric cell, then                      [IIT JEE 1992; MP PMT 1999]

TuteeHUB · Accepted Answer

The saturation current will be 6 mA

TuteeHUB · Answer

The stopping potential will be 0.2 V

TuteeHUB · Answer

The stopping potential will be 0.6 V

TuteeHUB · Answer

The saturation current will be 18 mA

1.	When a point source of monochromatic light is at a distance of 0.2 m from a photoelectric cell, the cut-off voltage and the saturation current are 0.6 volt and 18 mA respectively. If the same source is placed 0.6 m away from the photoelectric cell, then [IIT JEE 1992; MP PMT 1999]
A.	The stopping potential will be 0.2 V
B.	The stopping potential will be 0.6 V
C.	The saturation current will be 6 mA
D.	The saturation current will be 18 mA
Answer» C. The saturation current will be 6 mA

When a point source of monochromatic light is at a distance of 0.2 m from a photoelectric cell, the cut-off voltage and the saturation current are 0.6 volt and 18 mA respectively. If the same source is placed 0.6 m away from the photoelectric cell, then [IIT JEE 1992; MP PMT 1999]

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