Which of the following statements is not correct?
(i) When a liquid film is formed, the work done is given by the product of surface tension and area.
(ii) For liquids, where the adhesive forces prevail over cohesive forces, capillary rise is observed.
(iii) For liquids, where the cohesive forces prevail over the adhesive forces, capillary dip is observed.
(iv) In capillary rise, the angle of contact is greater than `90^@`.

Options

A. (i)
B. (ii)
C. (iii)
D. (iv)

Answer

D