Question

Two soap bubbles of the same soap solution have radii 3cm and 1.5cm If the excess

Pressure inside the bigger bubble is 40 dyne / cm2

, What is the excess pressure

inside the smaller bubble ?​

Answer 1

Answer:

formula of soap bubble is 2 pie and it is surface tension

Answer 2

Answer:

Excess pressure ∝ T/R. In this case, the surface tension is the same in the two cases. Hence, the excess pressure inside the smaller bubble will be 80 dyn/cm2 .