1) What should an object do to produce sound?
2) What are the two characteristics of sound that determines its loudness and pitch?
3) What is the unit of loudness and frequency?
4) How is pitch related to the frequency of the sound wave?
5) How is the loudness of a sound related to its amplitude?
6) A bird makes a high-pitched sound whereas lion makes a low-pitched roar, but the roar of a lion is louder than the sound of a bird. Justify.
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should have min density
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1 = yes vibrating object.
2 = amplitude .
3 = frequency = hertz .
5 = the loudness of depend upon the amplitude of vibration.
because the loudness of high pitched sound of loan is less then the sound bird
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