Two factories are sounding sirens at 800 Hz. A man goes from one facto – InterviewSolution

1.	Two factories are sounding sirens at 800 Hz. A man goes from one factory to the other at a speed of 2 m/s. The velocity of sound is 320 m/s. The number of beats heard by the person in 1 s will be
Answer» Two factories are sounding sirens at $800 Hz$ . A man goes from one factory to the other at a speed of $2 m/s$ . The velocity of sound is $320 m/s$ . The number of beats heard by the person in $1 s$ will be

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