Question

If 500 sound waves are produced in one minute then find the time taken by the vibrating particle to move from its mean position to the immediate rarefaction.​

Answer 1

Explanation:

• The frequency of sound wave f = 500/60=25/3 waves/s.In covering the distance of immediate rarefaction=λ/2. But λ=V/f=3V/25 unit. The time taken to cover distance λ is 1 second .

Therefore the time taken to cover distance λ/2=1×1/2=0.5 second.

Answer 2

Answer: 0.5 sec

Explanation:

The frequency of sound wave f = 500/60=25/3 waves/s.In covering the distance of immediate rarefaction=λ/2. But λ=V/f=3V/25 unit. The time taken to cover distance λ is 1 second .

Therefore the time taken to cover distance λ/2=1×1/2=0.5 second.

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