Two vibrating tuning forks produce progressive waves given by \[{{Y}_{ – McqOptions

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1.	Two vibrating tuning forks produce progressive waves given by \[{{Y}_{1}}=4\sin 500\pi t\]and \[{{Y}_{2}}=2\sin 506\pi t.\] Number of beats produced per minute is [CBSE PMT 2005]
A.	360
B.	180
C.	3
D.	60
Answer» C. 3

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