Question

Determine the minimum size of glass tube that can be used to measure water level if the capillary rise in the tube is restricted to 5mm. Consider surface tension of water in contact with air as 0.073 N/m

• A. 5.95 mm
• B. 11.9 mm
• C. 2.97 mm
• D. 4.46 mm

Answer 1

Answer:

A. 5.95 mm