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A soap bubble in air (two surfaces) has surface tension 0.03 N m to the power of negative 1 end exponent, Find the guage pressure inside a bubble of diameter 30 mm. [ans:8 Pa]

A soap bubble in air (two surfaces) has surface tension 0.03 N m to the power of negative 1 end exponent, Find the guage pressure inside a bubble of diameter 30 mm. [ans:8 Pa]

Grade:11

1 Answers

Vikas TU
14149 Points
3 years ago
Dear student 
P inside- p atmosphere = 4T/ R
Now put all the values 
The pressure inside a bubble will be 
= 8 pa

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