Water containing air bubbles flows without turbulence through a horizontal pipe which has a region of narrow cross-section. In this region, the bubbles

  • [KVPY 2014]
  • A

    move with greater speed and are smaller in size than in the rest of the pipe

  • B

    move with greater speed and are larger in size than in the rest of the pipe

  • C

    move with lesser speed and are smaller in size than in the rest of the pipe

  • D

    move with lesser speed and are of the same size as in the rest of the pipe

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