A frame made of a metallic wire enclosing a surface area A is covered with a soap film . If the area of the frame of metallic wire will be changed by

A frame made of a metallic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 50% ,the energy of the soap film will be changed by

A frame made of metallic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 25%, the energy of the soap film will be changed by

A frame made of metalic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 50% the energy of the soap film will be changed by:

A frame made of metalic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 50% the energy of the soap film will be changed by:

A frame made of metalic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 50% the energy of the soap film will be changed by:

PQRS is a rectangular frame of copper wire shown in figure the side RS of the frame is movable. If a soap film is formed on it then what is the diameter of the wire to maintain equilibirum (given surface tension of soap solution =0.045N//m and density of copper =8.96xx10^(3)kg//m^(3))