Derive the expression for excess pressure inside An air bubble
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Answered by
46
Force due to surface tension:F=TL
=T(2πR) ...... (1)
Force due to excess pressure on each cross section of air bubble
F=PA =P(πR2) ...... (2)
Expression for excess pressure in air bubble
Equate the expressions (1) and (2)
P(πR2) = T(2πR)
P=2T/R
=T(2πR) ...... (1)
Force due to excess pressure on each cross section of air bubble
F=PA =P(πR2) ...... (2)
Expression for excess pressure in air bubble
Equate the expressions (1) and (2)
P(πR2) = T(2πR)
P=2T/R
Answered by
5
Explanation:
pressure =2T/R
where p is pressure difference
T is surface tension
Ris radius ......
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