What is the quality of the sound of an ambulance’s siren when it moves toward a stationary hearer? What is the quality of the sound of an ambulance’s siren when it moves away from a stationary hearer?

Question

Revolt · Accepted Answer

✔ It is high-pitched.; Selection 1: It is high-pitched.; Selection 2: It is low-pitched.

Properties of Sound

What is the quality of the sound of an ambulance’s siren when it moves toward a stationary hearer? What is the quality of the sound of an ambulance’s siren when it moves away from a stationary hearer?

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