Physical Optics and Interference
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Moe, Larry, and Curly sit in a line with a spacing of 1.00 m. Larry is d1 = 3.0 m in front of a pair of stereo speakers d2 = 0.800 m apart, as shown in Figure 28-33. The speakers produce a single-frequency tone, vibrating in phase with each other. What are the two lowest frequencies that allow Larry to hear a loud tone while Moe and Curly hear very little? (Take the speed of sound to be 343 m/s.)
(a) lowest frequency
(b) second lowest frequency
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Solution Summary
This solution is provided in 242 words in an attached document. A diagram is used to enhance understanding of the problem, and pythagorus is used to calculate distance and therefore frequency.
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Hi. Can someone please show me how to do the following problem? The answers (according to the back of the book) are (a) 690 Hz and (b) 2100 Hz, but I can't figure out how they arrive at these answers. I can't figure out where L1 and L2 are (for the L2 - L1 equation). Thank you.
Moe, Larry, and Curly sit in a line with a spacing of 1.00 m. Larry is d1 = 3.0 m in front of a pair of stereo speakers d2 = 0.800 m apart, as shown in Figure 28-33. The speakers produce a ...
Purchase this Solution
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