Two plane mirrors are inclined to each other such that a ray or light incident on the first mirr...

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Two plane mirrors are inclined to each other such that a ray or light incident on the first mirror and parallel to the second
\( \mathrm{P} \) is reflected from the second mirror parallel to the first mirror.

W Determine the angle between the two mirrors:
(A) \( 60^{\circ} \)
(B) \( 30^{\circ} \)
(C) \( 90^{\circ} \)
(D) \( 180^{\circ} \)
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