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A bat can hear sound at frequencies up to 120KHz. Determine the wavelength ofsound in air at this frequency.(Take speed of sound in air as 344m/s.) |
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Answer» 1)In air: Wind can increase or decrease the speed, and can even push sound waves sideways. Air density affects it.Temperature, pressure, humidity and gas mixture can each affect the density. In liquid: The speed of sound is affected by density and viscosity. |
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