(a)Is the beat frequency produced when a 245-Hz tone and a

Chapter 14, Problem 79

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(a)Is the beat frequency produced when a 245-Hz tone and a 240-Hz tone are played together greater than, less than, or equal to the beat frequency produced when a 140-Hz tone and a 145-Hz tone are played together? (b)Choose the best explanation from among the following: I. The beat frequency is determined by the difference in frequencies and is independent of their actual values. II. The higher frequencies will produce a higher beat frequency. III. The percentage change in frequency for 240 and 245 Hz is less than for 140 and 145 Hz, resulting in a lower beat frequency

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