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Q: A capillary tube of diameter 4 mm is dipped into a liquid of specific gravity 0.6. The liquid rises in the tube by 20 mm, making an angle of contact of 0° with the tube. Determine the surface tension of the liquid in contact with air and the glass tube.
  • A. 1 N/m
  • B. 0.12 N/m
  • C. 0.08 N/m
  • D. 0.5 N/m
Correct Answer: Option B -
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Explanations:

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