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23.The two nearest harmonic of a tube closed at one end and open at other end are 220hz and 260Hz. What is the fundamental frequency of the system 1)10Hz 2)20Hz 3)30Hz 4)40Hz

Answer» 23.The two nearest harmonic of a tube closed at one end and open at other end are 220hz and 260Hz. What is the fundamental frequency of the system 1)10Hz 2)20Hz 3)30Hz 4)40Hz


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