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Waves question

2014 · Q159
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Waves question

2014 · Q159

NEETPhysicsWavesMCQ+4 / −1
The number of possible natural oscillations of air column in a pipe closed at one end length 85 cm whose frequencies lie below 1250 Hz are (Velocity of sound = 340 m s−-−1)
  1. A
    4
  2. B
    5
  3. C
    7
  4. D
    6
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