AP EAMCET Medical 17 May 2024 Shift 2 Paper

A glass capillary tube with a radius r=0.02‌cm is immersed into water to a depth of d=2‌cm.
To blow an air bubble out of the lower end of the tube the pressure required is
(Given surface tension T=7 ×10−2Nm−1 and density of water ρ=103kgm−3; acceleration due to gravity g=10ms−2 ).