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Yrw.vvv-2 5) The velocity of sound in air at room temperature is 340 m/s. If length of air column in pipe is 20 cm. Find frequency of second overtone in a pipe, when it is closed at one end and open at both ends having same inner diameter of 4 cm. (Ans : 2277 Hz, 2005 Hz] 6) The length of air column for fundamental

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