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No, red glass does not only reflect and transmit red light waves. It actually transmits the white light waves through the red glass creating a red glow. A transparent object generally transmits light while a solid object reflects light.

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9y ago
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12y ago

Because a red colored material interacts with light. More precise, it has a lot of electrons at different energy levels. The light coming in gets nearly totally absorbed, in other words, there are electrons which need the energy of green light to get into a higher energy level, others need blue light, other may need UV-light. Wherever electrons can get the right amount of energy to get onto a higher level, they gulp it (even if they can't bear it for long).

In our case, there are no electrons which could use the energy from red light, so red light gets reflected. The other wavelenghts get absorbed and will be eventually reemitted, but with fewer energy (- they will shift to the red or infrared spectrum).

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Q: Why red colour reflect only red light?
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What colour does a white ball look in red light?

It would appear to be red because it can only reflect the red light.


What color does a green leaf appear to be in red light and why?

It appears black. A green pigment can only reflect green light and red light is a primary colour, that is it contains only red.


What color does a green leaf appear to be in a red light Why?

It appears black. A green pigment can only reflect green light and red light is a primary colour, that is it contains only red.


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Why do red object's look black in blue light?

Red and blue are primary colours therefore they do not contain any other colour. When a blue light is shone onto a red object, all the blue light is absorbed by the red object, and as no red light is being shone for the red object to reflect, no light will be reflected from it and it will appear to be black. It is important to remember that physical colours will only reflect it's light colour equivalent. All other colours are absorbed. So red will reflect red, green will reflect green, and red will absorb green and so on.


What colour is a white object under red light?

The white object will look red because the white surface reflects all colors and since only a red light is used it will only reflect red.


What colour would a red object seem to look like if you only shined green light on it?

The object would be black, because red cannot reflect green light so no colour is reflected of the object.


What colour will red boots look in red light?

They will look red. This is because red boots only reflect red light. If white light was shining on them then they would still appear red because the red light would be reflected into your eyes and the other colours from the spectrum would be absorbed. However, if, for example blue light was shining on them, they would look dark/black because there is no red light to reflect.


How do you know that most objects reflect more than on colour of light?

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How do colored objects look under colored lights?

If the light is or contains the colour the object it is striking, then the object will appear to be the colour it originally is. If the light is not or does not contain the colour the object it is striking, then object will appear black. This is because an object will only reflect the light that is the same colour as it, all other light is absorbed. For example: Red, yellow, magenta, and white light will make a red object appear red as they all contain red light. Blue, green and cyan light will make a red object appear black.


What colour will a white object appear if only red light was shone on it?

Red. The colour of an object is determined by the wavelengths of light it reflects and absorbs, and a white object is one that reflects light across the visible spectrum. If only red light shines on it, it will reflect that light. In contrast, a black object appears black because it doesn't reflect any visible wavelengths, so would still appear black. Any object that doesn't reflect the wavelength of light you're using (eg blue objects) would also appear black because it isn't reflecting any light.


How does the colour of light affect plant growth?

Plants are green because the reflect green light. They do not use green light, they use red light to make food. Some plastic mulches are red to reflect red light onto plants to make them grow more.