Two soap bubbles of radii `a` and `b` coalesce to form a single bubble of radius `c`. If the external pressure is `P`, find the surface tension of the soap solution.

Under isothermal conditionss, two soap bubbles of radii a and b coalesce to form a single bubble of radius c. If the external pressure is P, then surface tension of the bubbles is

Under isothermal conditions two soap bubbles of radii a and b coalesce to form a single bubble of radius c. If external pressure is P_e , the surface tension of soap solution is equal to :

Under isothermal condition two soap bubbles of radii r_(1) and r_(2) coalesce to form a single bubble of radius r. The external pressure is p_(0) . Find the surface tension of the soap in terms of the given parameters.

Under isothermal condition two soap bubbles of radii r_(1) and r_(2) coalesce to form a single bubble of radius r. The external pressure is p_(0) . Find the surface tension of the soap in terms of the given parameters.

Two soap bubbles of radii a and b coalesce to form a single bubble of radius c. If the external pressure is P, show that the surface tension T is given by T = P(c^(3) - a^(3) - b^(3))/(4(a^(2) + b^(2) - c^(2))

Two soap bubbles of radii x and y coalesce to constitute a bubble of radius z. Then z is equal to