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# A Sine Wave of Wavelength λ is Travelling in a Medium. What is the Minimum Distance Between Two Particles of the Medium Which Always Have the Same Speed? - Physics

#### Question

A sine wave of wavelength λ is travelling in a medium. What is the minimum distance between two particles of the medium which always have the same speed?

(A)lambda

(B)lambda/2

(C)lambda/3

(D)lambda/4

#### Solution

(B)lambda/2

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