Teaching UP B.Ed (Paper 1 & 2) Mock Test 2025 Physics Fluids Surface tension

What is an excess pressure inside the soap bubble in the air of radius R and surface tension T?

1
\( {2T \over R}\)
2
\( {4T \over R}\)
3
\( {T \over2 R}\)
4
\( {T \over4 R}\)
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