The frequency of the beats heard when two sounds of close frequencies – McqOptions

MCQOPTIONS

1.	The frequency of the beats heard when two sounds of close frequencies 'f1' and 'f2' superimpose is ____________.
A.	f2 + f1
B.	(f2 - f1)/2
C.	(f2 + f1)/2
D.	f2 - f1
Answer» E.

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