MCQOPTIONS
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| 1. |
A parallel beam of light is incident on a converging lens parallel to its principal axis. As one moves the source of light away from the lens on its principal axis, the intensity of light |
| A. | Remains constant |
| B. | Continuously increases |
| C. | Continuously decreases |
| D. | First increases than decreases. |
| Answer» D. First increases than decreases. | |