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A bubble of radius 10 cm is formed with ...

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

Text Solution

Verified by Experts

The correct Answer is:
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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