Length of 0.3m wire vibrates in fundamental mode of frequency 480 Hz. Calculate the velocity of sound wave in air.
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288
Explanation:
v=2nl
=2×480×0.3=6×48=288
The sound velocity across a given medium is a function of density, acoustic impedance, and temperature, as well as the sound energy propagation distance in that medium over time. The pressure, temperature, and elasticity of the medium determine the speed of sound. Sound travels the fastest in a solid medium. It travels faster in a liquid medium than in a gaseous state. The greater the elasticity and the smaller the density of a medium, the faster sound travels through it.
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