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45. If two soap bubbles of equal radii r coalesce then the radius of curvature of interface between two bubbles will be

HomePosts tagged “45. If two soap bubbles of equal radii r coalesce then the radius of curvature of interface between two bubbles will be”
(a)  r                                          (b)  0 (c)   Infinity                               (d)  1/2r Ans. c (15)
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