Q1
What is humidity?
AThe amount of water vapour in the air
BThe temperature of the air
CThe speed of wind
DThe colour of the sky
SSCClass 8 (SSC)Geography (भूगोल)Ch 3 · Topic 1
Humidity and Clouds
Humidity is the amount of water vapour in the air, and understanding it helps explain cloud formation and weather patterns.
Core concept
Humidity refers to the amount of water vapour present in the air, often expressed as relative humidity (percentage of maximum possible moisture).
How it works
As warm, moist air rises and cools, water vapour condenses around tiny particles, forming clouds through the process of condensation.
Why it matters
Different cloud types, like cumulus (fluffy), stratus (layered), and cirrus (wispy), indicate different weather conditions and altitudes.
Key detail
Understanding humidity and clouds helps meteorologists predict weather changes, including rainfall and storm formation.
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• Humidity: water vapour amount in air.
• Relative humidity: percentage of maximum moisture.
• Warm, moist air rises, cools, condenses.
• This forms clouds.
• Cloud types: cumulus, stratus, cirrus.
• Each indicates different weather/altitude.
• Understanding this helps predict weather.
• Includes predicting rainfall, storms.