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Waves and Sound — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsWaves and Sound1 Mark
MCQ
The first overtone in a closed pipe has a frequency
  • A
    Same as the fundamental frequency of an open tube of same length
  • B
    Twice the fundamental frequency of an open tube of same length
  • C
    Same as that of the first overtone of an open tube of same length
  • ✓
    None of the above
✓

Answer

Correct option: D.
None of the above
(d) First overtone for closed pipe $=\frac{3 v}{4 l}$Fundamental frequency for open pipe $=\frac{v}{2 l}$First overtone for open pipe $=\frac{2 v}{2 l}$.

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