When two sound waves are superimposed, beats are produced when they ha – McqOptions

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1.	When two sound waves are superimposed, beats are produced when they have [MP PET 1995; CBSE PMT 1992, 99; DCE 2000; DPMT 2000, 01]
A.	Different amplitudes and phases
B.	Different velocities
C.	Different phases
D.	Different frequencies
Answer» E.

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