How many of the following are ideal conditions for the formation of Dew?
1. Clear sky
2. Calm air
3. Cold and long nights
4. High relative humidity

Select the correct answer using the codes given below:
(a) Only One
(b) Only two
(c) Only three
(d) All four

Question

How many of the following are ideal conditions for the formation of Dew?
1. Clear sky
2. Calm air
3. Cold and long nights
4. High relative humidity

Select the correct answer using the codes given below:
(a) Only One
(b) Only two
(c) Only three
(d) All four

ONLiNE UPSC · Accepted Answer

Moisture deposited as water droplets on cooler surfaces of solid objects, such as stones, grass blades, and plant leaves, rather than on nuclei in the air above, is known as dew.
The ideal conditions for its formation are:
Clear sky, calm air, high relative humidity, and cold and long nights. For the formation of dew, it is necessary that the dew point is above the freezing point.

Weather and Climate

Formation of Dew

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E Question 1	⏱ 0
How many of the following are ideal conditions for the formation of Dew? 1. Clear sky 2. Calm air 3. Cold and long nights 4. High relative humidity Select the correct answer using the codes given below: (a) Only One (b) Only two (c) Only three (d) All four