MCQOPTIONS
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MCQOPTIONS
| 1. |
A microscope is focussed on a coin lying at the bottom of a beaker. The microscope is now raised up by 1 cm. To what depth should the water be poured into the beaker so that coin is again in focus? (Refractive index of water is\[\frac{4}{3}\]) [BHU 2003] |
| A. | 1 cm |
| B. | \[\frac{4}{3}\] cm |
| C. | 3 cm |
| D. | 4 cm |
| Answer» E. | |