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NEET2016PhysicsWaves and SoundActual

An air column, closed at one end and open at the other, resonates with a tuning fork when the smallest length of the column is 50     cm . The next larger length of the column resonating with the same tuning fork is:

Options

  1. A66.7     cm
  2. B100     cm
  3. C150     cm
  4. D200     cm

Correct answer

C. 150     cm

Step-by-step solution

First minimum resonating length for closed organ pipe = λ 4 = 50 cm ∴ Next larger length of air column = 3 λ 4 = 150 cm

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