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Dispersion = Abbe Number or Constringency Value and Nu Value

- Point -  Dispersion is categorized by Abbe Number or as it is also known by Constringency Value or Nu Value. - Point Word- Dispersion Abbe Number Constringency Value Nu Value - Explanation -  Dispersion refers to the state in which light is scattered or spread out. It refers to the separation of the constituent colors of light, like a rainbow.  Abbe Number is an optical property that describes how much a transparent material scatters light. It is a measure of chromatic dispersion. A higher Abbe Number indicates less dispersion and less chromatic aberration.
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Invisible Glass Rod


- Point -

 A glass rod immersed in a medium of the same index of refraction will be Invisible.


- Point Word-

  • Same index of refraction
  • Invisible


- Explanation -


Reflection and refraction do not occur because the refractive indices of the media containing the glass rod and the glass rod are the same. This is because the speed of light does not change with each other. The glass rod in the medium is not visible.

Reflection and refraction do not occur because the refractive indices of the media containing the glass rod and the glass rod are the same. This is because the speed of light does not change with each other. The glass rod in the medium is not visible.






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