MCQOPTIONS
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| 1. |
The incident ray and the reflected ray from a mirror are mutually perpendicular to each other. The angle of incidence is |
| A. | \[{{90}^{o}}\] |
| B. | \[{{45}^{o}}\] |
| C. | \[{{22.5}^{o}}\] |
| D. | zero |
| Answer» C. \[{{22.5}^{o}}\] | |