Question

Explain why you can see your reflection better in a
piece of metal if you polish the surface.​

Answer 1

Answer:

Because it is shiny; therefore it acts as a mirror.What happens physically, which permits a mirror to act as a mirror, is that any deviation from a perfectly flat shape - any imperfection - is considerably smaller than the wavelength of visible light.

Answer 2

If something is flat and light-colored, you can make it reflect light better by rubbing it clean. What you do when you polish is a combination of rubbing away some dirt, filling in bumps and scratches, and adding a surface layer of a chemical such as wax, all of which make the surface smoother and more like a mirror.