A wire of length 80 cm has a frequency of 256 Hz

Sound (10)
  1. A wire of length 80 cm has a frequency of 256 Hz. Calculate the length of a similar wire under similar tension, which will have frequency 1024 Hz.
  2. A certain sound has a frequency of 256 hertz and a wavelength of 1.3 m.
    1. Calculate the speed with which this sound travels.
    2. What difference would be felt by a listener between the above sound and another sound travelling at the same speed, but of wavelength 2.6 m?

Answer

  • Exam Year: 2017