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A light ray reflects from a mirror hanging vertically on a wall in your bathroom, and...

A light ray reflects from a mirror hanging vertically on a wall in your bathroom, and the ray strikes a particular point on the opposite wall (see figure below). The bottom end of the mirror is then tilted slightly away from the wall so that the mirror makes an angle of 4

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Here is what I solved before, please modify the figures as per your question. Please let me know if you have further questions. Ifthis helps then kindly rate 5-stars.

A light ray reflects from a mirror hanging vertically on a wall in your bathroom, and the ray strikes a point on the opposite wall. The angle of the incidence of the light ray is 15 degrees from center. The bottom end of the mirror is then tilted slightly away from the wall so that the mirror makes an angle of 5 degrees with the wall. The spot where the reflected ray hits is found to move upward a distance of 0.25 m. What is the length L of the room?

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