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Which of the diagrams below illustrates sound waves generated by a siren that is not moving?A.B.C.D.
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Which of the diagrams below illustrates sound waves generated by a siren that is not moving?A.B.C.D.

Which of the diagrams below illustrates sound waves generated by a siren that is not-example-1
User Ruzenhack
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A stationary sound source will have uniform concentric circular waves.

A moving source will have non-uniform circular waves.

Thus, option A illustrates the sound waves generated by a stationary siren.

User Ezzatron
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