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MHT CET 2026 (15 May, Shift 2) · Progressive Wave Equation

Progressive Wave Equation question from MHT CET 2026 (15 May, Shift 2)

Q10MHT CET 2026 · 15 MAY · SHIFT 2Easy

Progressive Wave Equation

In a sine wave, minimum distance between $2$ particles always having same speed is

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Answer: (a)

Particle speed $= A\omega|\cos\phi|$ , so two particles always have the same speed if their phases differ by $\pi$ .
Phase difference $\pi$ corresponds to path difference $\frac{\lambda}{2\pi} \times \pi = \frac{\lambda}{2}$ .
So the answer is (a) $\frac{\lambda}{2}$ .

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