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Excrss pressure in advance drop of water of radius 2mm is 70 the pressure inside a drop of 4mm is

Excrss pressure in advance drop of water of radius 2mm is 70  the pressure inside a drop of 4mm is
 
 

Grade:12

2 Answers

rushil
18 Points
4 years ago
The excess pressure p is given by
2T, where T is surface tension and R, is the radius of the bubble
Given T=70×10-3 Nm-1
R=1mm=10-3 m
p=2T/R=2 x 70×10-3/10-3=140Nm-2
10
Khimraj
3007 Points
4 years ago
T=70×10-3 Nm-1
R=10-3 m
p=2T/R=2 x 70×10-3/10-3=140Nm-2
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