Two loudspeakers emit sound waves along the x-axis. The sound has maximum intens

Question

Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 20 cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a separation of 56 cm. What is the wavelength of the sound? Express your answer to two significant figures and include the appropriate units. If the distance between the speakers continues to increase, at what separation will the sound intensity again be a maximum? Express your answer with the appropriate units.

Explanation / Answer

If the distance between the speakers continues to increase then the intensity will again be maximum when the separation between the speakers increased by one wave length.

             d=20 cm+ 72cm = 92cm

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