Question: 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

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 (Fig. P24.6). The bottom end of the mirror is then tilted slightly away from the wall so that the mirror makes an angle of 5° 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?

A light ray reflects from a mirror hanging vertically on a wall

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