Question

why do we need a shiny surface for reflection?

Answer 1

No, light also reflects from rough surfaces. ... But, shiny surfaces does because it has even surface and reflece most of the light rays parallel to each other. So, we can easily see the object on it.

Answer 2

We need a shiny surface for the reflection of light for the following reason:

• A gleaming or shiny surface is one that has been polished and is free of any bumps, rigids, or roughness or it should be smooth.
• The smoothness of the surface is critical for light to be reflected properly and evenly and parallel.
• In the case of a rough surface, light may be scattered in multiple directions or reflected in a non-parallel manner.
• For this reason, a mirror has a gleaming and polished surface since only then will it reflect light properly and generate a clear image.
• As a result, a shining surface is required for reflection.