Question

During hot sunny day, people sprinkle water on the roof because ______________.

• A. they have more water to sprinkle
• B. water is cheapest thing available
• C. it has high latent heat of vapourisation
• D. None of the above

Answer 1

The correct option is C it has high latent heat of vapourisation

People sprinkle water on the rooftop during sunny days as water has a high latent heat of vaporisation so it will absorb more heat and make the rooftop cool.

Option $C$ is correct.