Question

Two soap bubbles A and B are kept in a closed chamber where the air is maintained at pressure 8N/m^2 The radii of bubbles A and B are 2cm and 4cm, respectively surface tension of the soap water used to make bubbles is 0.04N/m If nA and nB are the no of moles of air in the air bubbles A and B, then the ratio nB/nA is [Neglect the effect of gravity] -​

Answer 1

Answer is 6.

For explanation see attachment!!

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