Three mirrors are kept mutually perpendicular to each other,then prove that any light ray at any angle to any one of the mirrors will retrace its path after all the reflections.
I will mark brainliest for correct answer.
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Three mirrors are kept mutually perpendicular to each other,then prove that any light ray at any angle to any one of the mirrors will retrace its path after all the reflections.
I will mark brainliest for correct answer.
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