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Define angle of contact....

Define angle of contact.

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The angle between the tangent drawn on a force surface and the surface under the liquid in contact with it, is known as angle of contact.
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SUBHASH PUBLICATION-MECHANICAL PROPERTIES OF FLUIDS-NUMERICALS WITH SOLUTIONS
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  17. Water flows through a horizontal pipe of varying cross-seetions. The p...

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  18. The reading of a barometer fitted with a closed pipe is 3.5 xx 10^(5) ...

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