A bubble of radius 10 cm is formed with a solution that has surface tention .What is the excess pressure inside the bubble in
A bubble of radius 10 cm is formed with a solution that has surface tention .What is the excess pressure inside the bubble in
A. `0.16`
B. 16
C. `1.6`
D. 10
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Correct Answer - C
` P = (4T)/R = (4 xx 40 xx 10^(-3))/(0.1)`
` = 1600 xx 10^(-3)`
` = 1.6 " N/m"^(2)`
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