PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer the following questions:
1. Why does a desert cooler cool better on a hot, dry day?
The is high and less humid on a hot, dry day which enables better evaporation. High levels of this provide better cooling effects.
2. How does the water kept in an earthen pot (matka) become cool
during summer?
Evaporates take latent , and removal of latent heat results in cooling. Earthen pots have tiny pores through which the water seeps, and leads to cooling the substance.
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