how is dew formed. does it evaporates or drains down 2 flower and bcoms part of fruit created from that flower

Answer 1

Dew forms when the air near the surface cools enough that the moisture in that air condenses on the surface of the grass, plants, etc., just like when water condenses on the outside of a glass that contains a cold or iced drink. This process will continue until the air is warmed or the moisture is lost, so some of the dew can drain down the stems of the plant. I believe some desert plants are actually designed to collect needed water in this fashion, since rain is more unreliable.

Answer 2

Clear night is the ideal condition of dew formation.On clear nights,the earth surface lose more energy by infra-red radiation than it receives through the incident solar radiation.In such a condition ,when sufficient moisture is there near the ground,water vapour condenses on thin,exposed non-metallic objects like grass and thus dew is formed.Whereas fog requires a condensation nuclei to form ,dew does not require it and forms directly on objects near the ground.When temperature is low enough,dew takes the form of ice;this form is called frost.
The dew thus formed evaporates later on when the temperature raises in the atmosphere.