Two sound sources (of same frequency) are placed at distance of 100 meter. An observer, when mov....

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Question Two sound sources (of same frequency) are placed at distance of 100 meter. An observer, when moving between both sources, hears 4 beats per second. The distance between sound source is now changed to 400 meter then the beats/second heard by observer will be:
(A) 2
(B) 4
(C) 8
(D) 16📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live



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