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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.

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If a black coloured glass absorbs all light falling on it how is it possible to view refelcted images from a blackened glass surface?

There are few things that are perfectly black. You can see many things, with detail, that are colored black. Obviously whatever you see is reflected light, light not being absorbed by the object. The reflection you see from the blackened glass is probably light coming off the glass itself, which remains uncolored, if you think about it. The color cuts down on interference from objects that would otherwise show through the glass. It is not absorbing all light. The reflected images are light it is reflecting back. When it looks black however it is not reflecting light into your eyes.


Why are the insides of binoculars and cameras are painted black?

To prevent internal reflection


How can a mirror reflect light and is it possible to have a reflection in pitch black darkness?

A mirror reflects light by causing photons to bounce off its smooth surface at an angle equal to the angle of incidence. In pitch black darkness, where there is no light to reflect off a surface, it is not possible to have a reflection in the traditional sense. However, some surfaces can reflect a limited amount of light even in very low light conditions due to their material properties.


What is reflection and refraction of light?

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.


Which thing is dark more then night?

A Black Hole. Night is darker than day, but there is still artificial light and the light of celestial bodies. However, light cannot escape a black hole in space, so the area occupied by a black hole appears darker than night.

Related Questions

Which effect does the black cardboard have on the beam of light?

Black cardboard absorbs light and does not reflect it, so when a beam of light hits it, the cardboard appears black as it does not transmit any significant amount of light. This results in a dimmer or no reflection of the beam of light off the black cardboard.


What color absorbs all light that hits it?

Answer: Please see related link. black


A black shirt appears black because all colors are?

absorbed by the shirt's pigment, preventing any light from being reflected or transmitted. This lack of light reflection or transmission causes the shirt to appear black to our eyes.


Why an object absorbs all the colour and appears as black?

When an object absorbs all colors, it means that it is absorbing all the wavelengths of light that fall on it and not reflecting any. This lack of reflection results in the absence of color perception in our eyes, which we interpret as black. Therefore, the object appears black because it is not reflecting any light back to our eyes.


Why sunlight turn black colour into white?

Sunlight cannot turn black into white. However, a black surface may appear white in bright sunlight due to reflection of all the wavelengths of light from a shiny surface. The color black is actually the result of the absence of reflection of any wavelengths of light while the color white is the result of reflection of all the wavelengths of light.


What color is a leaf under red light?

A leaf appears black or very dark under red light because it primarily reflects green light, which is absent in red light. This phenomenon is due to the absorption and reflection of specific wavelengths of light by the pigments present in the leaf.


What appears when all the colors is absorbed by the object?

When light of all colors (wavelengths) is absorbed by an object, the object appears black.


What colour will blue be in a green light?

Blue what ? ! ? Do you mean an object that appears blue in white light ? Such an object appears black in green light.


What is dark colored and light colored?

Dark colored items are those with a deep shade or low light reflection, such as black or navy. Light colored items are those with a bright shade or high light reflection, such as white or pastel colors.


What is the color associated with reflection?

White is often associated with reflection because it reflects light and contains all colors within the visible spectrum. Reflective surfaces, such as mirrors or water, appear bright and white when reflecting light.


Why does a crack in a window pane sometimes appears silvery?

this is due to total internal reflection and wave theory of light.


Why does your reflection upside down in a spoon?

The reflection appears upside down in a spoon because of the angle at which the light bounces off the curved surface of the spoon. This causes the light rays to cross when they hit the spoon, creating the flipped image.