Surface tension And Capillarity

Example 1:

Find the pressure inside a water droplet having diameter of 0.5 mm at 20 0 C if the outside pressure is 1.03N/cm 2 and the surface tension of water at that temperature is 0.0736 N/m.

Solution :

Given Data: -

               

              

Pressure inside the droplet,      

Answer:-         

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