Which one will show a metallic lustre? (a) Any surface of a metal (b) Freshly cut surface of a metal (c) Freshly cut surface of non-metal (d) Surfaces of all materials
The freshly cut surface of metal shows luster because of the free electrons present on its surface.These free electrons can easily reflect light and impart a shiny texture to the metal.Hence, it shows the metallic luster.
