Eamcet Physics - 1 st Year : Unit 7.3 ( Properties of Bulk Matter ) - Viscosity Free Online Tests | Mock Tests | Preparation | Practice Tests

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Eamcet Physics
1 st Year : Unit 7.3 ( Properties of Bulk Matter ) - Viscosity

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Two capillary tubes of radius r but of lengths l₁ and l₂ are fitted in parallel to the bottom of a vessel. The pressure head is P. What should be the length of a single tube that can replace the two tubes so that the rate of flow is same as before?

A. l₁ + l₂

B. 1/l₁ + 1/l₂

C. (l₁l₂)/l₁ + l₂

D. 1/(l₁ + l₂)

E. None of the above

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Correct choice: C

Explanation:

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Eamcet Physics 1 st Year : Unit 7.3 ( Properties of Bulk Matter ) - Viscosity

Eamcet Physics
1 st Year : Unit 7.3 ( Properties of Bulk Matter ) - Viscosity