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Explain the different forms of precipitation. - Social Science

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प्रश्न

Explain the different forms of precipitation.

संक्षेप में उत्तर

उत्तर

  1. Falling down of condensed water vapour in different forms is called precipitation.
  2. The climatic conditions/factors influencing the forms of precipitation mainly are:- temperature, altitude, cloud type, atmospheric conditions, precipitation process.
  • Drizzle:
  1. Falling of numerous uniform minute droplets of water with diameter of less than 0.5 mm is called a drizzle.
  2. Drizzle combined with fog reduces visibility.
  •  Rain:
  1. Rain is the most widespread and important form of precipitation in places having temperature above the freezing point.
  2. It occurs only when there is abundant moisture in the air.
  3. The diameter of a raindrop is more than 5 mm.
  • Sleet:
  1. Sleet refers to a precipitation, in the form of pellets made up of transparent and translucent ice.
  2. This Precipitation is a mixture of snow and rain
  • Snow:
  1. Snow is formed when
  2. It is the precipitation of opaque and semi opaque ice crystals
  3. When these ice crystels and stocks to gether, it become snowflakes.
  •  Hails
  1. Hails are of ice (grater than 2 cm in diameter) falling from the sky, during a rainstrome or thunderstrome.
  • Hailstones:
  1. Hails are a form of a solid percipitation where small pieces of ice fall downwards
  2. These are destructive and dreded forms of solid precipitation beacuse they destroy agriculture human lives.
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अध्याय 2.03: Atmosphere - Exercises [पृष्ठ १९१]

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सामाचीर कलवी Social Science [English] Class 9 TN Board
अध्याय 2.03 Atmosphere
Exercises | Q VI. 5 | पृष्ठ १९१
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