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Derive an expression for excess pressure inside a liquid bubble? |
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Answer» let us consider a hollow bubble of radius \'r\' and internal diameter \'d\' and thickness \'t\'.let s= surface tension;\xa0P= pressure intensity inside liquid bubble;d= internal diameter of the bubble;t= thickness;let us cut the soap bubble into two halvestensile force acting along the surface( inner and outer) circumferential of the cutting portion and is given byF=s*3.14*d+s*3.14*(d+t)as t< | |