Physics

An organ pipe open at one end has a length of 60 cm. If the speed of sound in air is 340 m/s, what is the lowest frequency produced by the organ pipe?

A) 141.5 Hz
B) 283 Hz
C) 70.8 Hz
D) 610 Hz
E) 305 Hz

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asked by Trent
  1. A) 141.5 Hz

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    posted by Elena
  2. can anybody show me how to do this? not just the answer?

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    posted by Trent
  3. closed end – node
    open end - antinode
    => A quarter of the wavelength is on the length of the pipe =>
    λ=4L=4•0.6 = 2.4 m
    λ=v/f
    f=v/ λ=340/2.4 =141.5 Hz

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    posted by Elena
  4. sad

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