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Waves question

2012 · Shift 0 · Q61
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Waves question

2012 · Shift 0 · Q61

JEE MainPhysicsWavesMCQ+4 / −1
A cylindrical tube, open at both ends, has a fundamental frequency, f,f,f, in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the air-column is now :
  1. A
    fff
  2. B
    f/2f/2f/2
  3. C
    3/43/43/4
  4. D
    2f2f2f
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