Question

Explain about dust particles.

Answer 1

Dust particles:

• Dust particles are concentrated in the lower layers of the atmosphere but sometimes conventional currents take them to the higher height.
• Dust particles includes sea salts, fine soil, smoke, ashes, pollens, dust, disintegrated particles of meteors.
• Dust particles and salt particles act as a hygroscopic nuclei around which water condenses into water vapour to produce clouds.
• Dust particles produce optical phenomenon which makes the sky look beautiful at dawn and dusk.
• Sky looks blue due to the presence of dust particles and water vapour which are scattered in the atmosphere.