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PHYSICS CH7 Heat — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH7 Heat2 Marks
Question
Give some practical applications of radiation.
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Answer

    • White or light colored clothes are good reflectors of heat. They keep us cool during summer.
    • The bottom surface of cooking utensils is blackened because the black surface absorbs more heat from the surrounding.
    • The surface of the airplane is highly polished because it helps to reflect most of the heat radiation from the sun.

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