MCQOPTIONS
Saved Bookmarks
| 1. |
The refractive indices of four substances A, B, C and D are 1.33, 1.47, 1.71 and 1.65 respectively. In which substance is the speed of light maximum? |
| A. | B |
| B. | C |
| C. | D |
| D. | A |
| Answer» E. | |