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In Fig. , A and B represent the displace...

In Fig. , A and B represent the displacement distance graphs for two sound waves when they pass through air.

What is the relation between their
loudness

Text Solution

Verified by Experts

The wave B has a larger amplitude (= 14 mm) than A (= 8 mm), therefore the wave B will produce a louder sound than A.
` ("Loudness of B")/("Loudness of A") = ((14)/(8))^2 = ( 49)/(16 ) =` nearly 3 : 1
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