Question 3.
(a) Displacement distance graph of two sound waves A and B, travelling is
medium, are as shown in the diagram below.
Study the two sound waves and compare their :
(i) Amplitudes
(ii) Wavelengths
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Answer:
1. Amplitude of sound wave A(20,-20) is greater than that of B(10,-10)
2. Wavelength of the wave B is bigger of A
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