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9 Nov 2021

Given information

The first dog whistle's frequency  

When the first whistle and an unknown brand whistle are blown together, the beat frequency is audible    .

 

Step-by-step explanation

Step 1.

Sound waves will also interfere with each other, resulting in an interference voice pattern. The presence of alternating sound maxima and minima is known as the interference voice pattern. A beat is made up of one maximum and one minimum. Normally, the minima are not audible. As a result, beats are tallied only by counting the maxima. The beat frequency is defined as the number of beats per second. The size of the difference between the interfering frequencies of the sound is equal to the beat frequency.

 

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