Madhya Pradesh Police Exam Model Paper 3

The correct answer is Scattering of blue light by water molecules.

• The phenomenon in which light rays get deviated from its straight path on striking an obstacle is called scattering of light.
  • The blue colour of water in the sea is due to the scattering of blue light by water molecules.
  • The blue colour of the sky is due to the scattering of light.
  • The colour which scatters the most is Violet.
  • Red is the colour that scatters the least.
  • The yellow tone of the sun is due to the Rayleigh scattering.
  • Lights with shorter wavelengths scattered more comparing to the light with longer wavelengths.
  • For an astronaut on the moon, the sky appears black is due to the absence of scattering of light in the moon(There is no atmosphere in the moon).
  • Raman effect is associated with the scattering of the light.
• Reflection is the phenomenon of bouncing back of light when a beam of light falls on a surface.
• Refraction is the bending of light when a ray of light travels from one medium to another.