About 25% of earth is covered by green vegetation.Why is the vegetation green? The chlorophyll pigment present in the plants play a major role in reflecting the green colour in spectrum.Among the seven colours in spectrum the green region is reflected by chlorophyll while the other regions of different wavelengths are absorbed. When these reflected rays reach our eye,special functionary cells in the eye and brain perceive them as green.
by stanwshura5 years ago
How is a pure & absolutely black substance, pigment or object made? Is "true" black even possible??Lots of folks say that black is the combination of all the colors. Well, maybe not lots, but...
by Myn Is Me5 years ago
Why can a lace curtain be seen through by day from inside but not from outside?
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