the equation of a wave is given by y=v sin w(x/v-k pie) where w is angular velocity and v is linear velocity find the dimension of x and K
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Solution
k is defined as wave number. as it is inverse of wavelength. .i.e k = 2.pi/lamda unit = > m^-1 therfore dimension for k is: L^-1 M^0 T^0. a sin w [x/v -k] M0L0T-1(L1/M0L1T-2) K=M0L0T-1/M0L0T-2 K=T X=1