MCQOPTIONS
Saved Bookmarks
| 1. |
In a periscope, how are the reflecting mirrors arranged? |
| A. | Perpendicular to each other |
| B. | Parallel to each other |
| C. | At an angle of \[{{90}^{\text{o}}}\] |
| D. | At an angle of \[{{60}^{\text{o}}}\] |
| Answer» C. At an angle of \[{{90}^{\text{o}}}\] | |