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UPSC Prelims 2023 Paper-1 📅 28 May, 2023

With reference to the Earth's atmosphere, which one of the following statements is correct?

A
The total amount of insolation received at the equator is roughly about 10 times of that received at the poles.
B
Infrared rays constitute roughly two-thirds of insolation.
C
Infrared waves are largely absorbed by water vapour that is concentrated in the lower atmosphere.
D
Infrared waves are a part of visible spectrum of electromagnetic waves of solar radiation.
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UPSC Prelims
2023 • 28 May, 2023 • Paper-1
With reference to the Earth's atmosphere, which one of the following statements is correct?
Correct Answer
Infrared waves are largely absorbed by water vapour that is concentrated in the lower atmosphere.
Subject: Geography.Context: Heat Budget and Atmospheric Composition.Details: Infrared waves are a major component of terrestrial radiation and incoming solar ra......
Ref/Book : UPSC Prelims 2023
Ref. Subject Geography
Chapter -
Ref. Topic Climatology
Pg. No -
💡 Analysis & Explanation
Subject ▼
Geography.
Context ▼
Heat Budget and Atmospheric Composition.
Details ▼
Infrared waves are a major component of terrestrial radiation and incoming solar radiation. Greenhouse gases, especially water vapour (which is highly concentrated in the lower troposphere), heavily absorb these long-wave infrared radiations, thus heating the Earth's atmosphere.
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