Question

once again from a fairly large vertical film of soap solution but not a pure water why​

Answer 1

Answer:

this is because the surface tension of soap solution is much smaller than that of pure water when we try to make a particular film of pure water it breaks due to the hi surface tension of water

Answer 2

Answer:

It is so because the surface tension of a soap solution is much smaller than that of pure water.... When we try to make a vertical film of soap solution , brakes to to the hi tension of water....