Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 25 cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a separation of 62 cm .
What is the wavelength of the sound?

74 cm

Explanation:

We are given that

The sound has maximum intensity when the separation between speaker=

The sound  intensity reaching zero when the separation between speakers=

We have to find the wavelength of the sound.

We know that

Using the formula

Hence,the wavelength=74 cm

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if they have a finite resultant