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Geography

Insolation and factors affecting it

In Class 11 Geography, this topic explains insolation—the incoming solar radiation received by Earth—and its role in the chapter Solar Radiation, Heat Balance, and Temperature. Students learn how the angle of the Sun’s rays, duration of daylight, latitude, season, Earth–Sun distance, and atmospheric conditions affect the amount of energy reaching different places. The topic also helps them understand why heating varies across Earth’s surface and how these variations influence temperature patterns and the broader heat balance.

Easy · Level 7 · 2 questions

TOPIC PRACTICE

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2 questions

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  1. Total insolation will be lower
  2. Total insolation will always increase
  3. Insolation has no relation with time
  4. Sun rays will come from the Moon
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  1. Reflect more solar energy
  2. Absorb more solar energy
  3. Reduce the length of day
  4. Stop sun rays

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