A sound wave travelling in a medium is represented as shown in figure. a)which letter represents the amplitude of the sound wave?b)which letter represents the wavelength of the wave ? c) what is the frequency of the source of sound if the vibrating source of sound make 360 oscillations in 2 minutes ?
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(a) Letter x: amplitude
(b) Letter y: wavelength
(c) frequency ν =Number of oscillations/time = 360/(2x60) = 3 Hz
(d) Time period t = 1/ν = 1/3 s
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