The wall of a large room is covered with acoustic tile in which small holes are drilled
Chapter 36, Problem 18(choose chapter or problem)
The wall of a large room is covered with acoustic tile in which small holes are drilled 5.0 mm from center to center. How far can a person be from such a tile and still distinguish the individual holes, assuming ideal conditions, the pupil diameter of the observers eye to be 4.0 mm, and the wavelength of the room light to be 550 nm?
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