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Water is flowing in a tube of non-uniform radius. The ratio of the radii at entrance and exit ends of tube is 3 : 2. The ratio of the velocities of water entering in and exiting from the tube will be –
  • a)
    8 : 27
  • b)
    4 : 9
  • c)
     1 : 1
  • d)
     9 : 4
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Water is flowing in a tube of non-uniform radius. The ratio of the rad...
We know, for the fluid flowing through the non-uniform pipe the velocity of fluid is inversely proportional to the area of cross-section.
Hence, if v1, v2 are the velocities of entry and exit end of the pipe and a1, a2 are the area of cross-sections of entry and exit end of the pipe, then
v1/v2=a2/a1
⇒v1/v2​=(r2)2/(r1)2
∴v1/v2​=(2)2/(3)2​=4/9​
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Community Answer
Water is flowing in a tube of non-uniform radius. The ratio of the rad...
Areaxvel remain constantso velocitys are inversly proportionl to (radius)^2
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Water is flowing in a tube of non-uniform radius. The ratio of the radii at entrance and exit ends of tube is 3 : 2. The ratio of the velocities of water entering in and exiting from the tube will be–a)8 : 27b)4 : 9c)1 : 1d)9 : 4Correct answer is option 'B'. Can you explain this answer? for Class 11 2025 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about Water is flowing in a tube of non-uniform radius. The ratio of the radii at entrance and exit ends of tube is 3 : 2. The ratio of the velocities of water entering in and exiting from the tube will be–a)8 : 27b)4 : 9c)1 : 1d)9 : 4Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Water is flowing in a tube of non-uniform radius. The ratio of the radii at entrance and exit ends of tube is 3 : 2. The ratio of the velocities of water entering in and exiting from the tube will be–a)8 : 27b)4 : 9c)1 : 1d)9 : 4Correct answer is option 'B'. Can you explain this answer?.
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