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Superposition of Waves — Physics STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 SciencePhysicsSuperposition of Waves1 Mark
MCQ
In a sonometer experiment, the string of length $L$ under tension vibrates in second overtone between two bridges. The amplitude of vibration is maximum at
  • A
    $\frac{L}{3}, \frac{2 L}{3}, \frac{5 L}{6}$
  • B
    $\frac{L}{8}, \frac{L}{4}, \frac{L}{2}$
  • C
    $\frac{L}{2}, \frac{L}{4}, \frac{L}{6}$
  • ✓
    $\frac{L}{6}, \frac{L}{2}, \frac{5 L}{6}$
✓

Answer

Correct option: D.
$\frac{L}{6}, \frac{L}{2}, \frac{5 L}{6}$
(d) : String vibrating in second overtone
Image
So, the amplitude of vibration is maximum at $\frac{L}{6}, \frac{L}{2}, \frac{5 L}{6}$

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