How Reflective Is a Mirror?

Coating one side of a piece of glass with shiny metals can turn it into a mirror, reflecting light coming toward it. Window glass can reflect only eight percent of light hitting it, while mirrors can reflect 95 percent of light hitting them. The glass in a mirror is usually coated with a layer of silver or aluminum.

How much does a mirror reflect?

Somewhere between 85 and 99%, with an average of 92.0%. Most mirrors you will use and see in your life reflect ~99.0%. Mirrors that reflect upwards of 99.90% are called perfect mirrors, and most perfect mirrors are dielectric mirrors.

Is a reflection like a mirror?

That image results from light rays encountering the shiny surface and bouncing back, or reflecting, providing a "mirror image." People commonly think of the reflection as being reversed left to right; however, this is a misconception.