Colors of Light: Absorption and Reflection of Light
Introduction of Seeing Colors
Objects can be seen either when they emit light or reflect light from a source. Objects are of different colors. We can see objects in different colors. In this session, we will find out the reason behind seeing colors.
Colors of Light:
Light appears to be white in color. However, it is composed of all colors. When it falls on an object, the color of the object that we see is the one which it reflects, and it absorbs the rest of the colors. They do not bounce off the object.
For example, when white light falls on an apple, the red color bounces off its surface, whereas the other colors get absorbed. Therefore, it appears red.
When white light falls on a banana, the yellow color bounces off its surface, whereas the other colors get absorbed. Therefore, it appears to be yellow.
The color of an object is not contained within the object. In fact, it is the result of the light which strikes the object and is reflected by it.
Absorption and Reflection of Light:
Objects like glass, water, and other transparent objects do not absorb light. In fact, they let all the colors of light pass through them.
Black-colored objects absorb all the colors of light. They do not reflect any of the colors.
White-colored objects reflect all the colors of light. They do not absorb any of the colors.
Questions and Answers:
Match the color(s) of the light reflected by the object shown from the given colors.
Match the color(s) of the light reflected by the object shown from the given colors.
Match the color(s) of the light reflected by the object shown from the given colors.
Match the color(s) of the light absorbed by the object shown from the given colors.
Match the color(s) of the light reflected by the object shown from the given colors.
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