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Question

In this figure, an ideal liquid flows through the tube, which is of uniform cross-section. The liquid has velocitiesv subscript A end subscript and v subscript B end subscript, and pressure PA and PB at points A and B respectively

  1. v subscript A end subscript equals v subscript B end subscript    
  2. v subscript B end subscript greater than v subscript A end subscript    
  3. PA = PB    
  4. PB > PA    

The correct answer is: v subscript A end subscript equals v subscript B end subscript

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