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Quantitative Aptitude

Heights & Distances

If the surfac...

Question

If the surface of a liquid is plane, then the angle of contact of the liquid with the walls of container is

A

Acute angle

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B

Obtuse angle

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C

90^{o}

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D

0^{o}

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Solution

The correct option is D $0^{o}$
Angle of contact with wall is angle of surface of liquid with the normal to the wall. Hence for a plane surface angle of contact is $0^{0}$ .

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