What about a material causes it to be shiny

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SUMMARY

The discussion centers on the properties that make materials shiny and their ability to reflect light. Key concepts include specular and diffuse reflection, which are influenced by surface geometry and the material's refractive index. Materials can exhibit shiny characteristics based on their atomic structure and surface smoothness, affecting how light interacts with them. For instance, snow reflects visible light effectively while absorbing infrared light, demonstrating the relationship between material properties and light reflection.

PREREQUISITES
  • Understanding of specular and diffuse reflection
  • Knowledge of refractive index and its impact on light behavior
  • Familiarity with surface geometry and its effect on light reflection
  • Basic principles of light interaction with materials at a microscopic scale
NEXT STEPS
  • Research the differences between specular and diffuse reflection in materials
  • Explore the role of refractive index in material light reflection
  • Investigate how surface texture affects the shininess of materials
  • Study the atomic and molecular structures that contribute to material reflectivity
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Materials scientists, physicists, and anyone interested in the optical properties of materials and their applications in design and technology.

gilishaky
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what about a material causes it to be shiny and reflect light. would it be reflecting 100% of the photos when the material looks bright white i.e. shiny.

what about the atoms in the material causes the material to be shiny?

can any material be shiny?

why do shiny objects the part that is shiny only shine in a small portion. why does not the holy object not just look bright white (shiny), why only a small part at a certain angle?
 
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"bright white i.e. shiny"

Whether an image is formed (specular reflection) versus a diffuse reflection is a different question than the colour of the reflected light.

gilishaky said:
what about the atoms in the material causes the material to be shiny?
Not an atomic scale, at a microscopic scale - on the order of wavelengths of light.

Here's Wiki's short description on diffuse versus specular reflection:
https://en.wikipedia.org/wiki/Diffuse_reflection#Specular_vs._diffuse_reflection
 
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gilishaky said:
what about a material causes it to be shiny and reflect light. would it be reflecting 100% of the photos when the material looks bright white i.e. shiny.

what about the atoms in the material causes the material to be shiny?

can any material be shiny?

why do shiny objects the part that is shiny only shine in a small portion. why does not the holy object not just look bright white (shiny), why only a small part at a certain angle?

It seems you are referring to 'specular reflection', as opposed to 'diffuse reflection'. These properties are typically due to the surface geometry: smooth, rough, striated, etc. As for the spectral content of reflected/scattered light, it depends on the refractive index, which is determined by the electrical/chemical properties of the material. Snow, for example, is highly reflective for visible light and absorptive for infrared light.
 

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