Two waves of same pitch have amplitude 2cm and 2cm. Which is louder and in what ratio?
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(i) Loudness is proportional to amplitude square
Ratio of loudness= 1/3square = 1:9
(ii) Frequency of the sound wave has no effect on amplitude.
so, ratios of frequency remains same that is 1:1
Ratio of loudness= 1/3square = 1:9
(ii) Frequency of the sound wave has no effect on amplitude.
so, ratios of frequency remains same that is 1:1
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