PhysicsMedium148×since 2002Q8017Two spherical soap bubbles of radii r₁ and r₂ in vacuum combine under isothermal conditions. The resulting bubble has a radius equal to :Ar1r2r1+r2{{{r_1}{r_2}} \over {{r_1} + {r_2}}}r1+r2r1r2Br1r2\sqrt {{r_1}{r_2}}r1r2Cr12+r22\sqrt {r_1^2 + r_2^2}r12+r22Dr1+r22{{{r_1} + {r_2}} \over 2}2r1+r2Check answerSkip