MCQ
A ray is reflected in turn by three plain mirrors mutually at right angles to each other. The angle between the incident and the reflected rays is
- A$90^{\circ}$
- B$60^{\circ}$
- ✓$180^{\circ}$
- DNone of these
✓
Answer
Correct option: C.
$180^{\circ}$
Ray after reflection from three mutually perpendicular mirrors becomes anti-parallel.
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