1.define amplitude
2.on what factors loudness of sound depends
3.what are units of loudnes
4.what is wavelength and its units
5.what is frequency and what are 2 different units for it
6.what is time perios and what are its units
7.what is relation between frequency and timeperiod
8.what is formula for velocity in sound
9.what is crest and trough
10.what is cimpression and rarefaction
11.what is wavlength between crest and trough
12.what is pitch of sound means on what factors does it depend
13.what is quality or timbre .on what factor it depends
14.what is symbol of wavlength
15.How does temperature effect velocity of sound
16.
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