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Question

Physics Question on mechanical properties of fluid

When a capillary tube is immersed into a liquid the liqaid neither rises nor falls in the capatillary , then the angle of contact is

A

20∘20^{\circ}

B

90∘90^{\circ}

C

30∘30^{\circ}

D

70∘70^{\circ}

Answer

90∘90^{\circ}

Explanation

Solution

Answer (b) 90∘90^{\circ}