Soap Bubbles
and the Forces which Mould Them
Forfatter: F. R. S., A. R. S. M., C. V. Boys
År: 1890
Serie: Romance of Science Series
Sted: London
Sider: 178
UDK: 532
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THE FORCES WHICH MOULD THEM.
ing and the pressure indicated by the water in
the gauge is falling, until, when the bubble is
double its former size, the pressure is only
half what it was; and this is always true, the
Fig- 23.
smaller the bubble the greater the pressure.
As the film is always stretched with the same
force, whatever size the bubble is, it is clear
that the pressure inside can only depend upon
the curvature of a bubble. In the case of