Question 16. One end of a towel dips into a bucket full of water and other end hangs over the bucket. It is found that after some time the towel becomes fully wet. It happens (a) Because viscosity of eater is high (b) Because of the capillary action of cotton threads (c) Because of gravitational force (d) Because of evaporation of water. Answer
Correct option is B) Capillary action is the raise in level of liquid through the walls of the container or any surface because greater adhesive forces. This can be observed in getting a fall wet towel when only one end is dip in water.
