MCQOPTIONS
Saved Bookmarks
| 1. |
A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and latter is equal to 3/4th the angle of prism. The angle of deviation is : |
| A. | 45o |
| B. | 39o |
| C. | 20o |
| D. | 30o |
| Answer» E. | |