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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
pitch

Text Solution

Verified by Experts

`("Frequency of A "(f_A))/( "Frequency of " B(f_B)) = (V // lamda_A )/( V//lamda_B)`
Since V is same for both.
` therefore (f_A)/(f_B) = ( lamda_B)/(lamda_A) ` but ` ( lamda_B)/( lamda_A) = 3/2`
Hence ` (F_A)/(f_B) = 3/2 = 1.5 `
i.e., pitch of A is 1.5 times that of B.
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