concentric spherical surfaces
The 'sphere' has.
The surface of a shape is dependent on its shape and dimensions.
Surface area of a shape depends on what shape you have in mind.
The shape with just one surface is.... a sphere.
Yes it is. It only has two faces - the base, and the surface around the base rising to the point.
what is the geometrical shape of equipotential surface due to single isolated charge
The geoid has an equipotential surface where the force of gravity is perpendicular everywhere. But the earth has an irregular mass distribution and the resultant anomalies, makes the term geoid not a suitable reference.
A cone.
no gauss low is only applicable for closed paths. a plane sheet is not a closed path. for applying gauss law the charge must be inside the closed loop or path... ========================== I'll say "yes". Gauss' law says that the electric flux through a closed surface is proportional to the amount of charge inside the closed surface. The shape of the surface doesn't matter, and the shape of the charge distribution inside it doesn't matter either. If a closed surface encloses a part of a sheet of charge, then the flux through the surface is proportional to the amount of charge that's on the part of the sheet inside the surface. That doesn't bother me at all.
The 'sphere' has.
The surface of a shape is dependent on its shape and dimensions.
Surface area of a shape depends on what shape you have in mind.
The shape with just one surface is.... a sphere.
Yes it is. It only has two faces - the base, and the surface around the base rising to the point.
The description given could be applicable to a pyramid
In geometry, the only shape that has one surface is a plane.
all of the shape, surface area is the total length of all edges of the shape