Which of these can harm the human ear?
What is the quality of the sound of an ambulance’s siren when it moves toward a stationary hearer?
Order these sounds from loudest (1) to softest (4).
123✔ 4
1✔ 234
12✔ 34
Order the sounds made by these sources from highest to lowest pitch.
Which instrument, a cello or a violin, produces a higher-pitched sound? Explain your answer.
The violin produces a higher-pitched sound than the cello. This is because the violin is smaller and has shorter, thinner strings than a cello. Shorter and thinner strings vibrate at a higher frequency, which results in a higher pitch.
Would these two waves produce a standing wave?
What is the quality of the sound of an ambulance’s siren when it moves toward a stationary hearer?
It is high-pitched.✔ It is low-pitched.
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