C1 (b). 1.the value of surface tension (water)in N/mC1 (b). 2. the value of surface tension(mercury) in N/m C1 (b). The capillary effect in a glass tube of2.9 mm diameter, when immersed in (1) waterand (2) mercury are 5.4 mm and -3.1 mmrespectively. Calculate the value of surfacetension in contact with air for water andmercury in N/m. Take, the contact angle forwater =0° and mercury =130°.

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C1 (b). 1.the value of surface tension (water) in N/m C1 (b). 2. the value of surface tension (mercury) in N/m

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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Concept explainers

Properties of Fluids

The term fluid represents a type of substance that can easily change its shape under any external pressure/force and can flow. Fluids can acquire any shape in which it is stored and can resist normal stresses but cannot resist shear stress in rest condition. Whenever external shear stress is applied to fluids, it starts to flow. The fluids may be liquid or gas. Example- water, air, etc.

Question

C1 (b). 1.the value of surface tension (water)
in N/m
C1 (b). 2. the value of surface tension
(mercury) in N/m

C1 (b). The capillary effect in a glass tube of
2.9 mm diameter, when immersed in (1) water
and (2) mercury are 5.4 mm and -3.1 mm
respectively. Calculate the value of surface
tension in contact with air for water and
mercury in N/m. Take, the contact angle for
water =0° and mercury =130°.

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