This question has Statement-1 and Statement-2. Of the four choices given after the Statements, choose the one that best describes the two Statements. [JEE ONLINE 09-04-2013] |
Statement-1: A capillary is dipped in a liquid and liquid rises to a height h in it. As the temperature of the liquid is raised, the height increases (if the density of the liquid and the angle of contact remain the same) |
Statement-2: Surface tension of a liquid decreases with the rise in its temperature. |
A) Statement -1 is true, Statement-2 is true. Statement-2 is not correct explanation for statement-1.
B) Statement -1 is false. Statement -2 is true.
C) Statement -1 is true. Statement-2 is false.
D) [d] Statement-1 is true, Statement-2 is true. Statement-2 is correct explanation for statement-1.
Correct Answer: B
Solution :
increase, decrease |
So, h should decrease. |
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