PhysicsEasy148×since 2002Q8015When two soap bubbles of radii a and b (b > a) coalesce, the radius of curvature of common surface is :Ab−aab{{b - a} \over {ab}}abb−aBa+bab{{a + b} \over {ab}}aba+bCaba+b{{ab} \over {a + b}}a+babDabb−a{{ab} \over {b - a}}b−aabCheck answerSkip