Why is there a color, why is an object colored

The structure is different, the absorption and reflection of light at different frequencies are related to the dielectric constant, permeability, and conductivity, but the latter quantities are related to the structure, that is to say, the arrangement of the atoms.

Color is the sensation that the visual cells in the eye send to the brain in response to light stress.

It is only found by higher animals.

As for why diamond and graphite are both carbon elements, the color is different, it is indeed related to their atomic arrangement and structure.

Different structures have different absorption characteristics of light.

Hello, I only know that the different colors of light are due to their different wavelengths.

Particles have different absorption capacity for rays of various frequencies.

Any substance has its own pigment, these pigments will not react under the condition of no light, once irradiated by light, some pigments will undergo that change, will irradiate the light to absorb themselves, and those pigments that have not changed will reflect the light, what the human eye sees is actually reflected by the pigment in the object that cannot absorb the light.

The production of color.

The three primary colors of light.

Red, green, blue.

The three colors of light are mixed according to different brightness, and almost any color can be produced, and the three colors are overlapped to become white.

The relationship between light and color.

When we look at a red apple, we see that the color is red because the apple only reflects the red red, and the apple absorbs other light. When we use red light to shine on a green object, because the green object only reflects green light, and if we use red light, there is no green light reflection, so it is already black!

To put it simply, an object does not absorb any color, and we see it with the naked eye.

Color is caused by the wavelength of light, and the appearance of a certain color is a physiological reaction of a specific frequency of light entering the human eye.

If a light source emits a certain color of light, it mainly emits the corresponding light.

The frequency of light. For example, if you see a red dress, then the dress does not absorb red light, but reflects and refracts red light, but absorbs light of other colors, white objects do not absorb any light, and black objects do not reflect any light! Produced by the reflection and refraction of light.

As the light asks what sunlight shines on a diamond that emits 7 colors of light, what factors are produced.

Categories: Education, Science, >> Science & Technology.

Problem description: My friend and I accidentally talked about the color of objects, I have learned limited knowledge, but the definition of object color is that any object has no color, and what we see is only the color of the human eye when the object reflects different colors of light. If there is no color in the object without any light, in other words, if we define the absence of light as black, then the color of the object at that time is black, and when we can see the object, we prove that there is light, and the color of the object at that time is the result of the reflected light. Is this answer correct?

Analysis: That's right!

The so-called color is different wavelengths of light, the energy of light with different wavelengths is different, and the excitation energy of electrons of different objects is different.

The reason why an object presents a certain color is because the excitation energy of the electrons of the object's constituent substances is within a certain range, which happens to be able to absorb certain wavelengths of light, and reflect other rays, and the color of the reflected light is the color of the object.

Due to color psychology.

In ancient times, the ability to recognize certain colors was essential for human survival. That's why the human eye develops special cones to recognize red, which may indicate ripe fruit, as well as blood, fire, or poisonous, dangerous plants or animals.

The development of language has also shaped the way humans perceive color. The presence of specific color names in some languages suggests that indigenous people could associate with these colors and identify them. For example, in ancient times, Egypt was the only country that produced blue dye.

Therefore, only the Egyptians had a word for blue.