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Water enters through end A with a speed ...

Water enters through end A with a speed `v_1` and leaves through end B with a speed `v_2` of cylindrical tube AB. The tube is always completely filled with water. In case I the tube is horizontal, in case II it vertical with the end A upward and in case III it is vertical with the end B upward. We have `v_1=v_2`for

A

Case I

B

Case II

C

Case III

D

Each case

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The correct Answer is:
D
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TARGET PUBLICATION-FRICTION IS SOLIDS AND LIQUIDS -MCQ (CRITICAL THINKING)
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