A pipe of length 1 m is closed at one end. The velocity of sound in air is 300 m/s. The air column in the pipe will not resonate for sound of frequency

For a closed pipe at one end, the resonant frequencies aren=(2k+1)V4t where k=0,1,2,3,… =(2k+1)3004…1=(2k+1)×75  = 75'225'375, 525 So, the pipe will not resonaie for sound of ftequeucy 300 H2.