The amplitude of the resultant wave formed by the superimposition of t – McqOptions

MCQOPTIONS

1.	The amplitude of the resultant wave formed by the superimposition of two coherent waves represented by y1 = a cos(ωt) and y2 = a cos(ωt + φ) is given by ____________.
A.	2a cos (φ/2)
B.	2a cos φ
C.	2a cos (ωt/2)
D.	2a cos (ωt)
Answer» B. 2a cos φ

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