The displacement sound wave in a medium is given by the equation Y = A cos(ax + bt) where A, a and b are positive constants. The wave is reflected by an denser obstacle situated at x = 0. The intensity of the reflected wave is 0.64 times that of the incident wave. Mark the incorrect statement(s).
Text Solution
Verified by ExpertsThe correct answer is:
D
so here 
For reflected wave Displacement equation
by super position law resultant wave
so incorrect option is D
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