Question

During cold nights sometime dew is formed .(give reason)

Answer 1

During Cold nights sometimes dew is formed due to Condensation.

Explanation:

• During the winter nights, the temperature of the atmosphere goes down .

• The surfaces of window panes, flowers, grass etc become still colder.

• The air near them becomes saturated with vapour and condensation begins

• The water droplets condensed on such surfaces is called as dew.

Answer 2

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1. During a cold night, the temperature of air may fall to the dew point, or even below the dew point.

2. If the temperature falls below the dew point, the excess of water vapour in the air condenses on the surfaces of cold bodies and dew is formed.

Hope it helps!

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