A reflector basically is something that causes incoming energy to bounce back in the same but opposite direction that it came from.
Bicycle reflectors are fairly small plastic, flat things located on the front, back, side and sometimes on the pedals of the bicycle. The reflectors have small mirror-like surfaces that become very bright when something like the light from a car hits them, making the bicycle easier to spot.
Reflector, lights, dynamo.
It's not clear what your question is, but generally speaking legal bike riding at night require the bike to be fitted with forward facing white reflector, rearward facing red reflector and side facing yellow/orange reflectors as well as forward facing white light and rearward facing red light.
How far a reflector can be seen depends on the power of the light shining at it. So there's no set answer.
Yes, drywall is a light reflector.
Palmyra Reflector was created in 1829.
Palmyra Reflector ended in 1831.
Reflector - newspaper - was created in 1884.
Gospel Reflector was created in 1841.
Gospel Reflector ended in 1841.
Yes, you can definitely replace reflector lampes with LED reflector lamps. I got a Lighting Ever LED reflector before, so no problem I think.
Bicycles need a reflector on the spokes of the wheels.
A reflector with a smooth surface is typically known as a specular reflector. This type of reflector reflects light in a single, predictable direction without scattering or diffusing it.