Computer · Fluid Mechanics
A capillary tube of diameter 2 mm is dipped vertically in a liquid of specific gravity 0.8. The liquid rises in the tube by 15 mm, making a contact angle of 25° with the tube. Determine the surface tension of the liquid in contact with air and the glass tube. (Take g = 9.81 m/s2)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.032 N/m
- 20.874 N/m
- 30.065 N/m✓
- 40.75 N/m
Correct answer
0.065 N/m
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