MCQOPTIONS
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| 1. |
Q: In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is |
| A. | decreased by 2% |
| B. | decreased by 4% |
| C. | increased by 2% |
| D. | increased by 4% |
| Answer» C. increased by 2% | |