the Iris
display
Destructive interference. If the sheet is very thin, near half the wavelength of the incident light then light reflected from the top layer is out of phase with light reflected from the bottom layer. These two reflected light waves will cancel each other out.
Reflectivity isn't a property of light, it's a property of the surface that reflects the light. It is the proportion of the energy in an incoming light beam which when it hits the surface is reflected rather than absorbed.
To prevent internal reflection
The stratosphere contains the ozone layer, which plays a crucial role in absorbing and filtering out the majority of the sun's harmful ultraviolet radiation. This layer helps to protect life on Earth by preventing excessive UV light from reaching the surface.
The Choroid.
Yes.
choroid
Reflections occur when light bounces of a smooth and shiny surface. Glass mirrors have a thin layer of silver on the back so that light is reflected.
Internal reflection of light occurs when a light ray traveling within a medium hits the boundary with another medium at an angle greater than the critical angle. This causes the light ray to reflect back into the original medium instead of refracting out. This phenomenon affects the behavior of light rays by causing them to bounce off the boundary and stay within the medium, leading to total internal reflection.
Shiny surfaces do not absorb light because they have a smooth surface that reflects most of the light that hits them. This reflection prevents the light from being absorbed into the material, giving it a shiny appearance.
The reflection (normally twice) of light within a droplet of water and back to your eye.
Reflection
no reflection basically deals with light rays. so there is no reflection withou light.
In reflection, the light waves travel within the same media and maintains the same speed but in refraction light waves travel through a different media and so their speed changes.
When the rays of light do not follow the laws of reflection, then this type of reflection is called diffused reflection.
The tapetum lucidum (reflective material) reflects light back into the retina. This allows the animal to see at night. (Although this allows for better night vision than that of humans, it distorts the clarity because the light is reflected so much.) The tapetum lucidum is also responsible for the "glowing" eyes of animals, such as cats, when a small amount of light reflects off the tapetum lucidum in an otherwise dark room.