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when 2 soap bubbles of radius r1 and r2 coalese then the radius r of the interface is r1r2/r1 -r2. ? explain why we put 4s/r1 -4s/r2 =4s/r where s is the surface tension

Answer» when 2 soap bubbles of radius r1 and r2 coalese then the radius r of the interface is r1r2/r1 -r2. ? explain why we put 4s/r1 -4s/r2 =4s/r where s is the surface tension


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