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10.2d)explain why the water with detergent dissolved in it should have small angle of contact.

Asked by Shabnakp 13th January 2013, 4:58 PM
Answered by Expert
Water with detergent dissolved in it has small angles of contact (?). This is because for a small ?, there is a fast capillary rise of the detergent in the cloth. The capillary rise of a liquid is directly proportional to the cosine of the angle of contact (?). If ? is small, then cos? will be large and the rise of the detergent water in the cloth will be fast.
Answered by Expert 13th January 2013, 5:29 PM
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