Properties Of Solids And Liquids Question 209

Question: Water enters through end A with speed $ v _{1} $ and leaves through end B with speed $ v _{2} $ of a cylindrical tube AB. The tube is always completely filled with water. In case I tube is horizontal and in case II it is vertical with end A upwards and in case III it is vertical with end B upwards. We have $ v _{1}=v _{2} $ for

Options:

A)Case I

B)Case II

C)Case III

D)Each case

Show Answer

Answer:

Correct Answer: D

Solution:

This happens in accordance with equation of continuity and this equation was derived on the principle of conservation of mass and it is true in every case, either tube remain horizontal or vertical.



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