MCQOPTIONS
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| 1. |
A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is [CPMT 1991; NCERT 1979; BHU 2005] |
| A. | Equal to unity |
| B. | Equal to 1.33 |
| C. | Between unity and 1.33 |
| D. | Greater than 1.33 |
| Answer» D. Greater than 1.33 | |