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This question has Statement-1 and Statement- 2 . Of the four choices given after the Statements, choose the one that best describes the two Statetnents. 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 h increases (if the density of the liquid and the angle of contact remain the same). Statement-2: Surface tension of a liquid d

Options

  1. AStatement-1 is true, Statement-2 is true; Statement-2 is not the correct explanation for Statement-1.
  2. BStatement-1 is false, Statement- 2 is true.
  3. CStatement-1 is true, Statement- 2 is false.
  4. DStatement-1 is true, Statement-2 is true; Statement-2 is the correct explanation for Statement-1.

Correct answer

B. Statement-1 is false, Statement- 2 is true.

Step-by-step solution

Surface tension of a liquid decreases with the rise in temperture. At the boiling point of liquid, surface tension is zero. Capillary rise h= 2 ~T rdg As surface tension T decreases with rise in temperature hence capillary rise also decreases.

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