Physics · Heat and Thermodynamics
Consider the following Assertion (A) and Reason (R) regarding the Earth's atmosphere and heat balance: Assertion (A): The lower atmosphere is heated primarily from below by the Earth's outgoing longwave terrestrial radiation rather than directly by incoming solar shortwave radiation. Reason (R): Greenhouse gases like carbon dioxide trap the outgoing infrared radiation from the Earth's surface, creating a greenhouse effect. Choose the correct option:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Both (A) and (R) are true and (R) is the correct explanation of (A)✓
- 2Both (A) and (R) are true but (R) is not the correct explanation of (A)
- 3Both (A) and (R) are false
- 4(A) is true but (R) is false
Correct answer
Both (A) and (R) are true and (R) is the correct explanation of (A)
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