MCQOPTIONS
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| 1. |
In a PN junction photo cell, the value of photo-electromotive force produced by monochromatic light is proportional to [CBSE PMT 2004] |
| A. | The voltage applied at the PN junction |
| B. | The barrier voltage at the PN junction |
| C. | The intensity of the light falling on the cell |
| D. | The frequency of the light falling on the cell |
| Answer» D. The frequency of the light falling on the cell | |