Diya Menon11thSample· 1mo ago
Why 2S/r for a drop but 4S/r for a soap bubble, and which way does mercury go in a capillary?
omg I love this chapter and I hate it. 😭 Excess pressure inside a liquid drop is \dfrac{2S}{r} and inside a soap bubble it's \dfrac{4S}{r} . Our teacher says the soap bubble has "two surfaces". But my brain says a bubble
