Q71. A pipe has a length of Im. Determine the frequencies of the fundamental and first two harmonic if the pipe is opened at both ends, (speed of sound in air = 340 m/s) Physics — Oscillations and Simple Harmonic Motion — Question 71 of 102A. 170 Hz, 340 Hz, 510 Hz B. 120 Hz, 220 Hz, 390 Hz C. 90 Hz., 230 Hz, 440 Hz D. 210 Hz, 410 Hz, 510 Hz Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →