Geometric shapes and size #shorts#matheducation

Which two geometrical shapes are obtained by cutting a cone parallel to its base?

Geometrical shapes of the complews formed by the reaction of Ni^(2+) with CI^(Θ),CN^(Θ) and H_(2)O respectively ,are .

What is the field in the cavity if a conductor having a cavity is charged? Does the result depend on the shape and size of cavity or conductor ?