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The angle of contact between pure water and pure glass, is (a) 0° (b) 45 o (c) 90° (d) 135 o



The angle of contact between pure water and pure glass, is      


        (a)   


        (b)    45o


        (c)    90°


(d)    135o


Grade:10

1 Answers

Amit Saxena
35 Points
8 years ago

(a)

We know that angle of contact is the angle between the tangent to liquid surface at the point of contact and solid surface inside the liquid. In case of pure water and pure glass, the angle of contact is zero.

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