a sound wave of frequency 100 hz is travelling in air the speed of sound in air is 350m/s by how much the phase changed at a given point in 2.5m

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Solution

speed = frequency * wavelength
350= 100 * wavelength
wavelength= 3.5 m
So phase difference = 2.5 /3.5 * 2 $π$
$a n s = 1.42 π r a d i a n s$

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a sound wave of frequency 100 hz is travelling in air the speed of sound in air is 350m/s by how much the phase changed at a given point in 2.5m

speed = frequency * wavelength 350= 100 * wavelength wavelength= 3.5 m So phase difference = 2.5 /3.5 * 2π ans = 1.42 π radians

speed = frequency * wavelength
350= 100 * wavelength
wavelength= 3.5 m
So phase difference = 2.5 /3.5 * 2 $π$
$a n s = 1.42 π r a d i a n s$