MCQOPTIONS
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| 1. |
Two plane mirrors are inclined at an angle of to one another. A ray of light incident on the first mirror and parallel to the second mirror is reflected from the second mirror parallel to the first mirror. |
| A. | 0 |
| B. | 45 |
| C. | 60 |
| D. | 90 |
| Answer» D. 90 | |