Physics 2010 JAMB Past Questions - Question 20: The small droplets of water that forms on the grass in the early hours of the morning is

Correct Answer

A

Explanation

The small droplets of water that form on the grass in the early hours of the morning are typically referred to as "dew." Dew forms when the temperature of the grass and other surfaces cools down during the night, causing the air near the surface to reach its dew point, which is the temperature at which air becomes saturated with moisture and can no longer hold all the water vapor. When this happens, water vapor in the air condenses into tiny water droplets on the grass and other objects, creating the dew you see in the morning. Dew can provide moisture to plants and is a common occurrence in areas with cool, clear nights and high humidity.