Equation of motion of two waves in the same direction is given by y1 = A sin(ωt-kx), y2 = A sin(ωt-kx-θ). The amplitude of the particle of the medium will be
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a
2A cosθ2
b
2A cos θ
c
2Acosθ2
d
1.2f, 1.2 λ
answer is A.
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Detailed Solution
The resultant amplitude is given byAR = A2+A2+2AA cos θ = 2A2(1+cos θ) = 2Acosθ2