As a result of addition of detergent to a liquidthe angle of contact .

1.	As a result of addition of detergent to a liquidthe angle of contact .
Answer» SOLUTION :Detergents should have SMALL angle of CONTACT so that they have low surface tension and greater ABILITY to WET a surface. Furtheras `h =(2Tcostheta)/("rpg")"i.e", theta`is small cos `theta` will be large so h i.e., penetration will be high.

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