MCQOPTIONS
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| 1. |
In a periscope two plane mirrors are fitted at its two ends in such a way that: |
| A. | They intersect each other. |
| B. | They are parallel to one another. |
| C. | They make an angle of \[90{}^\circ \] with each other. |
| D. | They make an angle of \[30{}^\circ \] with each other. |
| E. | None of these |
| Answer» C. They make an angle of \[90{}^\circ \] with each other. | |