Two waves y1 = A cos( 0.5 πx − 100 πt)and y2 = A cos( 0.46 πx − – McqOptions

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1.	Two waves y1 = A cos( 0.5 πx − 100 πt)and y2 = A cos( 0.46 πx − 92πt) are travelling in a pipe placed along x-axis. Find the number of times intensity is maximum in time interval of 1 sec?
A.	4
B.	6
C.	8
D.	10
Answer» B. 6

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