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MHT CET 2026 (12 May, Shift 2) · Stationary Waves & Vibrating Strings

Stationary Waves & Vibrating Strings question from MHT CET 2026 (12 May, Shift 2)

Q15MHT CET 2026 · 12 MAY · SHIFT 2Medium

Stationary Waves & Vibrating Strings

In sonometer experiment, the string of length $'L'$ under tension vibrates in second overtone between the two bridges. The amplitude of vibration is maximum at length

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Answer: (b)

Second overtone = 3rd harmonic: 3 loops, each of length $L/3$ .
Antinodes lie at the middle of each loop: $\dfrac{L}{6}, \dfrac{L}{2}, \dfrac{5L}{6}$ .
So the answer is (b) $\frac{L}{6}, \frac{L}{2}, \frac{5L}{6}$ .

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