mirror and glass
They are smooth reflectors that do not diffuse the light.
Luminous objects are things that generate their own light such as The Sun and Fireflies. Illuminated objects are things that reflect light that has come from another source, things like The Moon or anything in your room when you switch on your light.
mirror
It doesn't. Light doesn't reflect other things; light can be reflected (by a mirror, for example). White light is a mixture of all colors of visible light. In a rainbow, or prism, it is separated into its components.
periscopes, binoculars
No, invisible things do not reflect light. But again, invisible things do not exist.
Things with shiny surfaces reflect light :)
Any object that is black will theoretically not reflect any light.
Any object that is black will theoretically not reflect any light.
Diamonds
They are smooth reflectors that do not diffuse the light.
(almost) everything reflects light.
because some stuff doesn't reflect light. most dirty things probably don't have those materials.
Luminous objects are things that generate their own light such as The Sun and Fireflies. Illuminated objects are things that reflect light that has come from another source, things like The Moon or anything in your room when you switch on your light.
Water surface glass
Metals are not the only things that reflect light. Can you see anything around you that is not metal? You see it because it is reflecting light.
mirror