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 -
Explanations:
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