applications of surface tension
Answers
Surface tension allows a water strider to "walk on water"
Water striders are able to walk on top of water due to a combination of several factors. Water striders use the high surface tension of water and long, hydrophobic legs to help them stay above water.
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Surface tension is the elastic tendency of a fluid surface which makes it acquire the least surface area possible.The cohesive forces between liquid molecules are responsible for the phenomenon.
Some notable applications of surface tension are:
● A needle placed on water can be made to float due to the surface tension of water.
● Warm water is used for washing purpose as heating increases the surface area and reduces surface tension.
● Mosquito eggs can float on water because of its surface tension.
● Toothpaste contains soap, which reduces the surface tension and helps it spread freely in the mouth.
● Surface tension prevents water from passing through the pores of an umbrella.
● Antiseptics like Dettol have low surface tension, so that they spread faster.