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Reflection

Two plane mir...

Question

Two plane mirors PQ and QR are kept perpendicular (at 90°) to each other. The incident beam AB falls on one mirror PQ at an angle of 20° to the mirror. Complete the diagram to show the path of the reflected ray.

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Solution

Using reflection law, it can be observed that the given ray of light will reflect from the second mirror at an angle of 20°.

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