MCQOPTIONS
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| 1. |
A photo cell is receiving light from a source placed at a distance of 1 m. If the same source is to be placed at a distance of 2 m, then the ejected electron [MNR 1986; UPSEAT 2000, 01] |
| A. | Moves with one-fourth energy as that of the initial energy |
| B. | Moves with one-fourth of momentum as that of the initial momentum |
| C. | Will be half in number |
| D. | Will be one-fourth in number |
| Answer» E. | |