Consider the below statements with regard lsquo dew rsquo 1 The ideal conditions for formation of de...........

Geography Atmosphere

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Consider the below statements with regard ‘dew’:

1. The ideal conditions for formation of dew are clear sky, calm air, high relative humidity, and cold and long nights.

2. For the formation of dew, it is necessary that the dew point is below the freezing point.

Which of the statements given above is/are correct?

1 only

2 only

Both

None

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Explanation:

Dew is the moisture that forms as a result of condensation. Condensation is the process a material undergoes as it changes from a gas to a liquid. Dew is the result of water changing from a vapor to a liquid.Dew forms as temperatures drop and objects cool down. If the object becomes cool enough, the air around the object will also cool. Colder air is less able to hold water vapor than warm air. This forces water vapor in the air around cooling objects to condense. When condensation happens, small water droplets form—dew.The temperature at which dew forms is called the dew point. The dew point varies widely, depending on location, weather, and time of day.The ideal conditions for its formation are clear sky, calm air, high relative humidity, and cold and long nights. However, for the formation of dew, it is necessary that the dew point is above the freezing point (not below). Hence, statement (2) is wrong.