MCQOPTIONS
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| 1. |
A point source of 3000 lumen is located at the centre of a cube of side length 2m. The flux through one side is |
| A. | 500 lumen |
| B. | 600 lumen |
| C. | 750 lumen |
| D. | 1500 lumen |
| Answer» B. 600 lumen | |