NEET | 2013Sound WavesEasy
Question
A wave travelling in the +ve x-direction having displacement along y-direction as 1m, wavelength 2π m and frequency of 
Hz is represented by :
Hz is represented by :Options
A.y = sin (2πx + 2πt)
B.y = sin (x - 2t)
C.y = sin (2πx - 2πt)
D.y = sin (10πx - 20πt)
Solution
and 
So equation of wave y = sin(kx - ωt) = sin (x - 2t).
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