Why the size of pubble of gas, in a tube filled with liquid, increases with displacement from the bottom to top of pipe?

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Erik Babry

https://en.wikipedia.org/wiki/Pascal%27s_law

Martin Pauthenet

because of hydrostatic pressure and gas compressibility ?

Bob Marcellus

Check out what hydro-static pressure is.

Adel Oueslati

Dear Martin,

Ok, it's good from you.

regards!

Mehdi Jahandardoost

Because of the bubble Laplace pressure and liquid hydrostatic pressure changes.

Dear colleague,

Ok, it's a good answer.

kind Regards