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Longitudinal waves

Exercise 9.1

Which of the following is not a longitudinal wave?

  1. light

  2. sound

  3. ultrasound

Solution not yet available

Which of the following media can a longitudinal wave like sound not travel through?

  1. solid

  2. liquid

  3. gas

  4. vacuum

Solution not yet available

A longitudinal wave has a compression to compression distance of \(\text{10}\) \(\text{m}\). It takes the wave \(\text{5}\) \(\text{s}\) to pass a point.

  1. What is the wavelength of the longitudinal wave?

  2. What is the speed of the wave?

Solution not yet available

A flute produces a musical sound travelling at a speed of \(\text{320}\) \(\text{m·s$^{−1}$}\). The frequency of the note is \(\text{256}\) \(\text{Hz}\). Calculate:

  1. the period of the note

  2. the wavelength of the note

Solution not yet available