MCQOPTIONS
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| 1. |
The radius of curvature of convex surface of a thin plano-convex lens is 15 cm and refractive index of its material is 1.6. The power of the lens will be [MP PMT 1994] |
| A. | \[+1\,D\] |
| B. | \[-2\,D\] |
| C. | \[+\,3\,D\] |
| D. | \[+\,4\,D\] |
| Answer» E. | |