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(1%) Consider two plane waves of different frequencies. If the SPL values of the individual waves are 75 dB and 80 dB, respectively. What is

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(1%) Consider two plane waves of different frequencies. If the SPL values of the individual waves are 75 dB and 80 dB, respectively. What is the overall SPL value? Suppose that the frequencies and phases of these plane waves are the same. What is the resulting SPL value

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