5.40. (a) What do you mean by Surface Tension of a liquid?
(b) Explain the factors which can affect the surface tension of a liquid.
5.40. (a) What do you mean by Surface Tension of a liquid?
(b) Explain the factors which can affect the surface tension of a liquid.
5.40. (a) Surface tension: It is defined as the force acting per unit length perpendicular to the line drawn on the surface.
(b) Surface tension of a liquid depends upon following factors.
(i) Temperature: Surface tension decreases with rise in temperature. As the temperature of the liquid increases
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