MCQOPTIONS
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| 1. |
A photoelectric cell is illuminated by a point source of light 1 m away. When the source is shifted to 2 m then [CBSE PMT 2003] |
| A. | Number of electrons emitted is half the initial number |
| B. | Each emitted electron carries half the initial energy |
| C. | Number of electrons emitted is a quarter of the initial number |
| D. | Each emitted electron carries one quarter of the initial energy |
| Answer» D. Each emitted electron carries one quarter of the initial energy | |