When the light source is kept 20 cm away from a photo cell, stopping potential 0.6 V is obtained. When source is kept 40 cm away, the stopping potential will be

0.3 V

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0.6 V

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1.2 V

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2.4 V

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Solution

The correct option is B
0.6 V

Stopping potential does not depend on the relative distance between the source and the cell.

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When the light source is kept 20 cm away from a photo cell, stopping potential 0.6 V is obtained. When source is kept 40 cm away, the stopping potential will be

The correct option is B 0.6 V Stopping potential does not depend on the relative distance between the source and the cell.

The correct option is B
0.6 V

Stopping potential does not depend on the relative distance between the source and the cell.