When two soap bubbles of radius `r_(1) " and " r_(2)(r_(2) gt r_(1))` coalesce, the radius of curvature of common surface is

When two soap bubbles of radii r_1 and r_2 (r_2 > r_1) are in contact, the radius of curvature of common surface is

When two soap bubbles of radii r_1 and r_2 ( r_2>r_1 )coalese, the radius of curvature of common surface is

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

Two soap bubbles of radius r_(1) and r_(2) combine. Find radius of curvature of the common surface separating them.

Two soap bubbles of radii r_(1) and r_(2) are attached as shown. Find the radius of curvature of the common film ACB.

Prove that if two bubbles of radii r_(1) and r_(2)(r_(1)ltr_(2)) come in contact with each other then the radius of curvature of the common surface r=(r_(1)r_(2))/(r_(2)-r_(1))

Prove that if two bubbles of radii r_(1) and r_(2)(r_(1)ltr_(2)) come in contact with each other then the radius of curvature of the common surface r=(r_(1)r_(2))/(r_(2)-r_(1))