Calculate the excess pressure inside a soap bubble of radius 1.0mm. (Given surface tension of soap solution =0.040 Nm^(-1)).

Calculate the excess pressure inside a soap bubble of radius 1.0mm. (G

1.	Calculate the excess pressure inside a soap bubble of radius 1.0mm. (Given surface tension of soap solution =0.040 Nm^(-1)).
Answer» <P> Solution :Given `T=0.040 Nm^(-1)` `r=1 xx 10^(-3)m` We KNOW that excess pressure INSIDE SOAP bubble, `P=(4T)/(R)=(4 xx 0.04)/(1 xx 10^(-3))=160Nm^(-2)`