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Physics Question on mechanical properties of fluid

When a cylindrical tube is dipped vertically into a liquid the angle of contact is 140∘140^{\circ}. when the tube is dipped with an inclination of 40∘40^{\circ} the angle of contact is

A

100∘100^{\circ}

B

140∘140^{\circ}

C

180∘180^{\circ}

D

60∘60^{\circ}

Answer

140∘140^{\circ}

Explanation

Solution

Angle of contact is independent of tilting angle