Capillary Rise
Mediumphysics
Height of capillary rise h is inversely proportional to:
Select the correct option:
Solution
Incorrect! Answer:
Tube radius
The height h to which a liquid rises in a capillary tube is given by Jurin's Law: h=ρgr2Tcosθ where:
- T: Surface tension
- θ: Angle of contact
- ρ: Density of liquid
- g: Acceleration due to gravity
- r: Radius of the capillary tube From the formula, h∝1/r. A narrower tube result in a higher rise/depression.
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About This Question
- Subject
- physics
- Chapter
- properties of solids and liquids
- Topic
- capillary rise
- Difficulty
- Medium
- Year
- 2025
Solution
Correct Answer:
Tube radius
The height h to which a liquid rises in a capillary tube is given by Jurin's Law: h=ρgr2Tcosθ where:
- T: Surface tension
- θ: Angle of contact
- ρ: Density of liquid
- g: Acceleration due to gravity
- r: Radius of the capillary tube From the formula, h∝1/r. A narrower tube result in a higher rise/depression.
This medium difficulty physics question is from the chapter properties of solids and liquids, covering the topic of capillary rise. It appeared in the 2025 exam.
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