What should be the pressure inside a small air bubble of 0.1mm radius situated just below the water surface. Surface tension of water =7.2xx10^(-2)N//m and atmosphere pressure=1.013xx10^(5)N//m^(2).
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your answer is given below
R=0.1mm
=10-⁴m
P2-P1 = 2T/R
P2 = 2T/R+P1
P2=2x7.2x10-²+1.013x10^5
---------------
10-⁴
P2=1.027x10^5N/M²
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