In What Order does the Velocity of Sound Increase in these Media?

Sound travels at a different speed in different media. In what order does the velocity of sound increase in these media?

  1. Water, Iron and air
  2. Iron, Air and Water
  3. Air, Water and Iron
  4. Iron, Water and Iron
Monis Rasool Professor Asked on 2nd June 2015 in Physics.
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  • 1 Answer(s)

    Option 3 is the right answer.

    The speed of sound in air c is determined by the air itself and is not dependent upon the amplitude, frequency, or wavelength of the sound. For an ideal gas the speed of sound depends only on its temperature and is

    independent of gas pressure. This dependence also applies to air, in good approximation and can be regarded as an ideal gas.

    Harsh Vardhan Professor Answered on 2nd June 2015.
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