Q2:1. A glass tube is placed vertically in a beaker of water. The interfacial tension between the air and water is 72 dynes/cm and the contact angle is 0 degree.Calculate: a. the capillary rise of water in the tube if the radius of the tube is 0.01 centimeters. b. what is the difference in pressure in psi across the air-water interface in the tube. Pd 2. The displacement pressure for a water saturated porcelain plate is 55 psi of air. What is the diameter in inches of the largest pore in the pórcelain plate? Assume 72 dynes/cm and 0 degrees

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