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Two plane mirrors a inclined at a certain angle. A ray of light first incident on one of them ant an inclination of 10° with the mirror and retraces its path after 5 reflections. The angle between the mirrors

Two plane mirrors a inclined at a certain angle. A ray of light first incident on one of them ant an inclination of 10° with the mirror and retraces its path after 5 reflections. The angle between the mirrors

Grade:12

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