Following two wave trains are approaching each othery1=asin200πt, y2=asin208πt.The number of beats heard per second is?

Following two wave trains are approaching each othery1=asin200πt, y2

1.	Following two wave trains are approaching each othery1=asin200πt, y2=asin208πt.The number of beats heard per second is?
A.	8
B.	4
C.	1
D.	Zero
Answer» C. 1

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Following two wave trains are approaching each othery1=asin200πt, y2=asin208πt.The number of beats heard per second is?

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