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A sine wave is travelling in a medium. A particular particle has zero displacements at a certain instant. The particle closest to it having zero displacements is at a distance

(a) λ/4 

(b) λ/3

(c)  λ/2

(d) λ.

1 Answer

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Best answer

The correct answer is (c) λ/2

EXPLANATION: 

The particles at distance λ/2 have always the same displacement. So the closest zero displacement particle will be at λ/2 distance away.  

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