Square shaped mirror lies flat on a table and facing up

Reference no: EM13660778

A square shaped mirror lies flat on a table and facing up. A second square shaped mirror is placed edge to edge by the first mirror so that their faces make an angle φ > 90 degrees. At what angleθ_in should an incoming light ray incident on the first mirror make in order to later reflect from the second mirror by a ray pointing straight up to the ceiling?

Reference no: EM13660778

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