Which of the following phenomena is responsible for the blue colour of the sky?
Answer & explanation
Correct answer: option 4
Scattering of light: When light waves fall on small bodies such as dust particles, water particles in suspension, suspended particles in colloidal solution, they are thrown out in all directions. This phenomenon is called scattering of light.
Scattering of light is maximum in case of violet colour and minimum in case of red colour of light.
- Blue colour of sky is due to scattering of light.
- The brilliant red colour of risng and setting sun is due to scattering of light.