Consider the following statements.(A) Water ascends while mercury descends in a capillary tube.(B) Surface tension of water is positive while that of mercury is negative. 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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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.
answer is B.
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Detailed Solution
capillary rise and capillary depression are due to surface tension. But surface tension can not be negative.