MCQOPTIONS
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MCQOPTIONS
| 1. |
An observer can see through a pin-hole the top end of a thin rod of height h, placed as shown in the figure. The beaker height is 3h and its radius h. When the beaker is a filled with a liquid up to a height 2h, he can see the lower end of the rod. Then the refractive index of the liquid is |
| A. | \[\frac{5}{2}\] |
| B. | \[\sqrt{\frac{5}{2}}\] |
| C. | \[\sqrt{\frac{3}{2}}\] |
| D. | \[\frac{3}{2}\] |
| Answer» C. \[\sqrt{\frac{3}{2}}\] | |