AP EAMCET · PHYSICS · Mechanical Properties of Fluids
The lower end of a capillary tube is dipped into water and it is observed that the water in capillary tube rises by . Find the radius of the capillary tube used, if surface tension of water is ? Angle of contact between water and glass is and acceleration due to gravity is .
- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Height of rise of liquid due to surface tension in a capillary tube, h=2Scosθrρg Given that, height of liquid rise h=7.5 cm, surface tension of water S=7.5×10-2 N m-1 and the angle of contact between water and glass is θ=0°…
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