MCQOPTIONS
Saved Bookmarks
| 1. |
When a ray of light is incident on a reflecting surface and if the reflected ray is at an angle of 90° to the incident ray, the angle of incidence of the ray is: |
| A. | 30° |
| B. | 60° |
| C. | 45° |
| D. | 90° |
| Answer» D. 90° | |