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Unformatted text preview: Version PREVIEW Hw10 Ross (10219) 1 This print-out should have 9 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. Serway CP 24 04 001 10.0 points Light of wavelength 497 nm falls on two slits spaced 0 . 335 mm apart. What is the required distance from the slit to a screen if the spacing between the first and second dark fringes is to be 3 . 32 mm? Correct answer: 2 . 23783 m. Serway CP 24 09 002 10.0 points Waves from a radio station have a wavelength of 329 m. They travel by two paths to a home receiver 18 . 3 km from the transmitters. One path is a direct path, and the second is by reflection from a mountain directly behind the home receiver. What is the minimum distance from the mountain to the receiver that produces de- structive interference at the receiver? (As- sume that no phase change occurs on reflec- tion from the mountain.) Correct answer: 82 . 25 m....
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