Organ pipe a, with both ends open, has a fundamental frequency of 270 hz. the third harmonic of organ pipe b, with one end open, has the same frequency as the second harmonic of pipe a. how long

(a) pipe a
(b) pipe b

Answer

Organ Pipe A has both end open.

Organ Pipe B has one end open.

speed of sound, v = 343 m/s

The fundamental frequency = 270 Hz

wavelength of the pipe when both end open

  λ = 2 L

we know,

now,

inserting all the values

  L_A = 0.635 m

length of pipe A is equal to 0.635 m

b) since third harmonic of pipe B is equal to second harmonic of pipe A

        L_B = 0.476 m

length of pipe B is equal to 0.476 m.

32: from largest to smallest, this hierarchy includes eons, eras, periods, epochs, and ages.

33: answer is c

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