A sine wave is travelling in a medium. A particular particle has zero displacements at a certain instant.
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.
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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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