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An air-filled pipe is found to have successive harmonics at 800 Hz , 1120 Hz , and 1440 Hz . It is unknown whether harmonics below 800 Hz and above 1440 Hz exist in the pipe. The length is 53.5 cm. Identify the correct pressure variation graph for the 1120 Hz standing wave in the pipe. Note that the closed end of the pipe is on the right.

An Airfilled Pipe Is Found To Have Successive Harmonics At 800 Hz 1120 Hz And 1440 Hz It Is Unknown Whether Harmonics Below 800 Hz And Above 1440 Hz Exist In Th class=