Question

unpolished soes appear dull,while polished shoes appear shine why explain??

Answer 1

Due to presence of dirt and dust particles, the  shoe surface tends to have a uneven surfaces which acts as Rough surface for the light and diffused reflection takes place which gives it dull appearance.
When we apply  polish which contains wax , a smooth layer gets deposited on surface of shoes which acts as smooth surface leading to regular reflection which gives it extra shine .

Answer 2

Answer:

Because of dirt and dust , the shoe surface acts as a rough surface for light and irregular reflection is formed. This gives the shoe a full appearance. While polished shoe has regular reflection and has a shiny appearance.

Explanation:

Hope you understood the answer