An air bubble of radius 0.1 mm is ready to leave the surface of a lake. Then the pressure inside in `N//m^(2)` is (Surface tension of water : `70 xx 10^(-3) ` N/m, 1 atm = `1 xx 10^(5) N//m^(2)`)A. `1400 N//m^(2)`B. `1.014 xx10^(5) N//m^(2)`C. `14 N//m^(2)`D. `1.014 xx10^(4) N//m^(2)`

An air bubble of radius 0.1 mm is ready to leave the surface of a lake

1.	An air bubble of radius 0.1 mm is ready to leave the surface of a lake. Then the pressure inside in `N//m^(2)` is (Surface tension of water : `70 xx 10^(-3) ` N/m, 1 atm = `1 xx 10^(5) N//m^(2)`)A. `1400 N//m^(2)`B. `1.014 xx10^(5) N//m^(2)`C. `14 N//m^(2)`D. `1.014 xx10^(4) N//m^(2)`
Answer» Correct Answer - D ` Delta P = (2T)/R , P_(0) + Delta P = P_("inside")` ` :. Delta P = (2T)/R = (2 xx 70 xx 10^(-3)N//m)/(0.1xx10^(-3)m)` ` = 1400 " N/m"^(2)` ` = 0.014 xx 10^(5) " N/m"^(2)` ` P_("inside")= P_(0) +Delta P` ` = 1.014 xx 10^(5) " N/m"^(2)`

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An air bubble of radius 0.1 mm is ready to leave the surface of a lake. Then the pressure inside in `N//m^(2)` is (Surface tension of water : `70 xx 10^(-3) ` N/m, 1 atm = `1 xx 10^(5) N//m^(2)`)A. `1400 N//m^(2)`B. `1.014 xx10^(5) N//m^(2)`C. `14 N//m^(2)`D. `1.014 xx10^(4) N//m^(2)`

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