derive laplace's law for spherical membrane
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The difference of pressure between inner and outer surfaces of q spherical membrane is expressed in terms of surface as
Pin -Pout =2T/r
under the equilibrium conditions force due to external pressure=force due to surface tension
(Pin-Pout)πr^2=T(2πr)
(Pin-Pout)r=2T
Pin-Pout=2T/r
Pin -Pout =2T/r
under the equilibrium conditions force due to external pressure=force due to surface tension
(Pin-Pout)πr^2=T(2πr)
(Pin-Pout)r=2T
Pin-Pout=2T/r
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