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What is the excess pressure inside a sph...

What is the excess pressure inside a spherical soap bubble of radius 5 cm if the surface tension of the soap film is `3.5xx10^(-2)Nm^(-1)` ?

A

1.4 Pa

B

2.8 Pa

C

5.6 Pa

D

11.2 Pa

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The correct Answer is:
B
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