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Extra energy associated with surfaces of liquid is due to 

Option: 1

Difference in surrounding around surface. 


Option: 2

due to viscosity 


Option: 3

due to greater height of surface 


Option: 4

None of the above 


Answers (1)

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As we learned 

 

Surface Energy -

It is defined as the amount of work done in increasing the area of the liquid against surface tension.

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 Due to difference in sorrounding, the molecule at surface are not in equillibrium. because of this molecule at surface of liquid possess more energy than molecule in the bulk. 

 

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