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Rayleigh Scattering UPSC NOTE


  •    Rayleigh scattering is the scattering of electromagnetic radiation by particles of a much smaller wavelength. 

  • The amount of scattering is inversely proportional to the fourth power of the wavelength, meaning that blue light is scattered more than red light. 

  • This is why the sky appears blue on a clear day.

  • Rayleigh scattering is a useful tool for scientists who study the atmosphere and oceans. 

  • It can be used to measure the size and concentration of particles in the air and water, as well as to study the composition of the atmosphere.

Some examples of Rayleigh in everyday life:

  • The blue color of the sky

  • The red color of sunrises and sunsets

  • The blue color of seawater

  • White Color of Milk

Mie scattering 

  • Mie scattering is the scattering of electromagnetic radiation by particles of a similar size or larger than the wavelength of the radiation

  • The scattering is caused by the interaction of the radiation with the electric field of the particle.

  •  The amount of scattering depends on the size, shape, and refractive index of the particle, as well as the wavelength of the radiation.

Mie scattering in daily life

  • The white color of clouds

  • The white color of snow

  • The colors of rainbows



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Learnerz IAS | Concept oriented UPSC Classes in Malayalam: Rayleigh Scattering UPSC NOTE
Rayleigh Scattering UPSC NOTE
Learnerz IAS | Concept oriented UPSC Classes in Malayalam
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