Questions
A vertical capillary with inner diameter 0.50 mm is submerged into water so that the length of its part protruding over the water surface in 25 mm. The radius of curvature of the meniscus is . Find x to nearest integer. (Surface tension of water).
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Correct option is A
R=2Tρgh
Similar Questions
Consider the following statements.
(A) A large force is required to draw apart normally two glass plates enclosing a thin water film.
(B) Water works as glue and sticks two glass plates
Select the correct option.
(a) (A) is false, But (B) is true.
(b) Both (A) and (B) are true.
(c) (A) is true, But (B) is false.
(d) Both (A) and (B) are false.
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