A wave is travelling in the negative direction has a frequency of 40 Hz ,a wavelength of 3cm and an amplitude of 0.6cm.write the wave function y(x,t) given that y=0.6cm at x =0 and t =0.
The general equation of the wave function can be written as follows:
here, represents the amplitude of the wave, represents the angular frequency of the wave, represents the wave number of the wave, sign minus corresponds to the wave traveling in +-direction and sign plus correspond to the wave traveling in --direction.
Let's find the angular frequency and wave number of the wave:
Finally, we can write the wave function y(x,t):
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