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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
wavelengths

Text Solution

Verified by Experts

From Fig. , it is obvious that there are three vibrations of wave A while two vibrations of wave B in the same distance `(= 2x). `Therefore, `3 lamda_A = 2 lamda_B`
` or ( lamda_A)( lamda_B ) = 2/3 or lamda_A : lamda_B = 2 :3`
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