A room is 8.6 m long and 4.4 m wide. At the front of the room, along one of the

Question

A room is 8.6 m long and 4.4 m wide. At the front of the room, along one of the 4.4-m-wide walls, two loudspeakers are set 4.0 m apart, with the center point between them coinciding with the center point of the wall. The speakers emit a sound wave of a single frequency and a maximum in sound intensity is heard at the center of the back wall, 8.6 m from the speakers. What is the highest possible frequency of the sound from the speakers if no other maxima are heard anywhere along the back wall? HZ

Explanation / Answer

Answer:-

L =8.6 m

W =4.4 m

D= 4 m

we have to find out the frequency f=?

f = c / Dfwall

Assume Velocity of sound C= 340 m/s

f = 340/4

= 85 Hz (Answe) frequency of the sound.

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