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When two soap bubbles of radii \(a\) and \(b(b>a)\) coalesce, the radius of curvature of common surface is:

Q1

When two soap bubbles of radii \(a\) and \(b(b>a)\) coalesce, the radius of curvature of common surface is:

a

\(\frac{a b}{a+b}\)

b

\(\frac{a b}{b-a}\)

c

\(\frac{b-a}{a b}\)

d

\(\frac{a+b}{a b}\)

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