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MHT CET 2025 (20 Apr, Shift 2) · Organ Pipes & Resonance Tube

Organ Pipes & Resonance Tube question from MHT CET 2025 (20 Apr, Shift 2)

Q39MHT CET 2025 · 20 APR · SHIFT 2Medium

Organ Pipes & Resonance Tube

The length of closed and open pipe is same. The ratio of frequency of nnth overtone for closed pipe to that of open pipe is (Neglect end correction)

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Answer: (a)

  1. Closed pipe, nnth overtone =(2n+1)= (2n+1)th harmonic: (2n+1)v4L\frac{(2n+1)v}{4L}.
  2. Open pipe, nnth overtone =(n+1)= (n+1)th harmonic: (n+1)v2L\frac{(n+1)v}{2L}.
  3. Ratio =(2n+1)2(n+1)= \frac{(2n+1)}{2(n+1)}
  4. So the answer is (a) (2n+1)2(n+1)\frac{(2n+1)}{2(n+1)}.
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