Discussion
The sound velocity is high in the .............. media.
Answer: B
Sound travels fastest in solid media.
The speed of sound depends on the stiffness (elastic modulus) of the medium relative to its density. Solids are far stiffer than liquids or gases, so sound moves fastest in them: about 5,000 m/s or more in steel, about 1,500 m/s in water and about 330 to 340 m/s in air.
Liquids come second, and gases and vapours, which are easily compressed, carry sound the slowest.
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