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A travelling wave represented by y (x, t...

A travelling wave represented by y (x, t) = nsin(kx - `omega`t) is superimposed on another wave represented by y(x, t) = asin(kx + `omega`t). The resultant is a

A

A standing wave having nodes at `x=(n+1/2)lamda/2,n=0,1,2,……..`

B

A wave travelling along +x direction

C

A wave travelling along -x direction

D

A standing wave having nodes at `x=(nlamda)/2,n=0,1,2,……..`

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The correct Answer is:
A
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