Physics · Thermal Properties of Matter
After a hot sunny day, people sprinkle water on the roof or open ground because:
- 1less latent heat of vaporisation of water helps to cool the hot surface
- 2large latent heat of vaporisation of water helps to cool the hot surface✓
- 3large latent heat of vaporisation of water does not help to cool the hot surface
- 4large latent heat of vaporisation of water helps to heat the cold surface
Correct answer
large latent heat of vaporisation of water helps to cool the hot surface
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