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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By Expert Faculty of Sri Chaitanya
a
Both (A) and (B) are true.
b
(A) is true but (B) is false.
c
(A) is false but (B) is true.
d
Both (A) and (B) are false.
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detailed solution

Correct option is C

force is required to detach the plates due to surface energy of the film of water. but the force is not large.

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Similar Questions

Consider the following statements.
(A) Surface tension is the property of only liquids.
(B) Only liquids have free surface in fluids.

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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