What happens on the surface of a material

In summary, the conversation discussed the concept of color and how it is determined by the reflection and absorption of light by objects. The mechanism behind this process involves electrons in the material reacting to certain frequency ranges and either absorbing and re-emitting light or releasing energy to the surrounding material. The topic also touched on quantum mechanics and electron energy levels, with one person expressing fair knowledge and seeking further understanding.
  • #1
shivadevrao
7
0
Hello friends,

Every object has certain color, because it reflects that potion of light & absorbs all other visible radiation,

What is the mechanism that happens on the surface of a body, which makes it reflect certain portion & absorb rest portion.
 
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  • #2
How much do you know about quantum mechanics and electron energy levels?

The basic idea: electrons in the material cannot react to all incoming light, just some frequency ("color") ranges. In those ranges, they can absorb and re-emit light, or absorb light and release the gained energy to the surrounding material.
That is not a perfect description, and not all processes follow that pattern, but it should give some idea what happens.
 
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  • #3
I have fair knowledge about electron energy level & quantum mechanics,

can you please guide me to understand this phenomenon.

Thank you.
 

FAQ: What happens on the surface of a material

What is the surface of a material?

The surface of a material is the outermost layer of the material that is exposed to its surrounding environment. It is the part of the material that directly interacts with external factors such as temperature, pressure, and other substances.

How does the surface of a material affect its properties?

The surface of a material can greatly influence its properties, such as strength, durability, and reactivity. This is because the surface is where most chemical and physical reactions take place, and it can also determine how the material will interact with other substances or forces.

What factors can affect the surface of a material?

Some of the factors that can affect the surface of a material include temperature, pressure, humidity, exposure to light or radiation, and contact with other substances. These factors can cause changes in the surface structure, chemistry, and properties of the material.

How is the surface of a material studied?

The surface of a material can be studied using various techniques, such as scanning electron microscopy, atomic force microscopy, X-ray photoelectron spectroscopy, and surface analysis techniques. These methods allow scientists to visualize and analyze the surface structure and composition of a material.

Can the surface of a material be modified?

Yes, the surface of a material can be modified through various processes such as coating, etching, and surface treatments. These modifications can alter the surface properties of the material, making it more suitable for specific applications or improving its performance in certain conditions.

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