MCQOPTIONS
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| 1. |
A simple magnifying lens is used in such a way that an image is formed at 25 cm away from the eye. In order to have 10 times magnification, the focal length of the lens should be [MP PET 1990] |
| A. | 5 cm |
| B. | 2 cm |
| C. | 25 mm |
| D. | 0.1 mm |
| Answer» D. 0.1 mm | |