Physics 9702 · AS & A Level · Stationary waves

Stationary waves — practice question

A stationary sound wave is set up in a pipe with one end closed and the other end open. There are two antinodes on the wave, and one antinode lies at the open end of the pipe. The pipe has a length of $0.600\,\text{m}$. The speed of sound in the air column inside the pipe is $340\,\text{m s}^{-1}$. Determine the frequency of the sound wave.

  • A$425\,\text{Hz}$
  • B$850\,\text{Hz}$
  • C$1130\,\text{Hz}$
  • D$2270\,\text{Hz}$

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