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(a) Derive an expression for the change in capillary height (h) in the circular tube of a liquid with surface tension (os) and contact angle (0), as in Figure 1. (b) Discuss on the capillary height (h) with the tube radius (R), (c) Explain the condition when contact angle is less then 90° (wetting liquid) and more then 90° (capillary depression) according to the capillary height (h).

(a) Derive an expression for the change in capillary height (h) in the circular tube of a liquid with surface tension (os) and contact angle (0), as in Figure 1. (b) Discuss on the capillary height (h) with the tube radius (R), (c) Explain the condition when contact angle is less then 90° (wetting liquid) and more then 90° (capillary depression) according to the capillary height (h).

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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(a) Derive an expression for the change in capillary height (h) in the circular tube of a liquid with surface tension (os) and contact angle (0), as in Figure 1. (b) Discuss on the capillary height (h) with the tube radius (R), (c) Explain the condition when contact angle is less then 90° (wetting liquid) and more then 90° (capillary depression) according to the capillary height (h). 2R Figure 1
Transcribed Image Text:(a) Derive an expression for the change in capillary height (h) in the circular tube of a liquid with surface tension (os) and contact angle (0), as in Figure 1. (b) Discuss on the capillary height (h) with the tube radius (R), (c) Explain the condition when contact angle is less then 90° (wetting liquid) and more then 90° (capillary depression) according to the capillary height (h). 2R Figure 1
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