大学物理机械波有关题目,英文版.The speed of sound in air at 20 is 344m/s.(A 部分中的波长为0.439m)What is the wavelength of a sound wave one octave higher than the note in part 题目真心看不懂,

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大学物理机械波有关题目,英文版.The speed of sound in air at 20 is 344m/s.(A 部分中的波长为0.439m)What is the wavelength of a sound wave one octave higher than the note in part 题目真心看不懂,

大学物理机械波有关题目,英文版.The speed of sound in air at 20 is 344m/s.(A 部分中的波长为0.439m)What is the wavelength of a sound wave one octave higher than the note in part 题目真心看不懂,
大学物理机械波有关题目,英文版.
The speed of sound in air at 20 is 344m/s.
(A 部分中的波长为0.439m)
What is the wavelength of a sound wave one octave higher than the note in part
题目真心看不懂,

大学物理机械波有关题目,英文版.The speed of sound in air at 20 is 344m/s.(A 部分中的波长为0.439m)What is the wavelength of a sound wave one octave higher than the note in part 题目真心看不懂,
声波在空气中传播的速度为344m/s,A部分的波长为0.439m,求比A部分的声波高一个八度的声音的波长

  高一个八度,就是频率增大一倍
      A部分的音频v,波长L=u/v
      高一个八度的音频v'=2v     
      波长L'=u/v'=u/2v     
       L'/L=v/v' :     L'=L/2=0.439/2=0.22m