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1. |
A small capillary tube of 3 mm inner diameter is inserted into a fluid having density 900 kg/m3 , surface tension 0.1 N/m, and contact angle 30°. The rise in the height of fluid in the capillary tube due to surface tension is |
A. | 111.4 mm |
B. | 13.078 mm |
C. | 89.1 mm |
D. | 154.1 mm |
Answer» C. 89.1 mm | |