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Class 12GeographyWater in the AtmosphereForms of condensation: dew, frost, fog, and mistExpertLevel 89
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Why do calm air and clear sky favour dew formation?

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Answer and explanation

Correct answer: They enhance ground radiational cooling

Clear sky and calm air cool the surface rapidly until dew point is reached. In exams, treat calm nights as favourable for dew.

Related tags

GeographyDewRadiational-CoolingClear-Night

Frequently asked questions

What is the correct answer to this question?

They enhance ground radiational cooling

Why is this the correct answer?

Clear sky and calm air cool the surface rapidly until dew point is reached. In exams, treat calm nights as favourable for dew.

Which subject and chapter does this question cover?

This is a Class 12 Geography question. Chapter: Water in the Atmosphere. Topic: Forms of condensation: dew, frost, fog, and mist.

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10 more MCQs
  1. 1Under which condition can fog form near a cold surface even under high pressure?
  2. 2In which condition does air convergence help more cloud formation?
  3. 3Under what condition can an air mass become stable and produce widespread mist or low clouds?
  4. 4In what form does dew appear?
  5. 5What should the surface temperature generally be for frost formation?
  6. 6Fog mostly forms in which part?
  7. 7Shining droplets on grass in the morning are an example of what?
  8. 8How is frost different from dew?
  9. 9Why does fog reduce visibility?
  10. 10Why does a clear and calm night help dew formation?
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