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A bubble of 8 mm diameter is formed in t...

A bubble of 8 mm diameter is formed in the air. The surface tension of soap solution is 30 dynes/cm . The excess pressure inside the bubble is

A

150 dynes/cm

B

300 dynes/cm

C

`3 xx 10^(-3) "dynes"//cm`

D

12 dynes/cm

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The correct Answer is:
B
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