GyanGramQuestion
Why are dewdrops not formed on a cloudy night?
PRELIMS 2019 · PHYSICAL GEOGRAPHY
Why are dewdrops not formed on a cloudy night?
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• Correct Answer: B
• Clouds reflect and re-radiate outgoing longwave terrestrial radiation back to the surface, preventing radiative cooling.
• Surface temperature remains above dew point on cloudy nights, inhibiting condensation.
• Cloud absorption alone is insufficient; reflection of Earth's radiation is the key factor.
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