Question

consider three medium - seawater, iron and air . Explain how the velocity of sound changes in these three medium

Answer 1

• The speed of sound in water increases with increasing water temperature, increasing salinity and increasing pressure (depth)

Explanation:

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Answer 2

Yes, sound can travel through iron as well as water.

Speed of sound depends primarily on the density and viscosity of the medium through which it propagates. So temperature, humidity (if non liquid medium) and pressure are also factors as they impact the density and viscosity of the medium, especially if the sound wave propagates through fluids.