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प्रश्न
Explain the following:
Why is the cooling in a refrigerator kept near the top?
एक पंक्ति में उत्तर
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उत्तर
Inside the refrigerator, cooling takes place by convection. The freezing chamber at the top produces cool and heavy air which descends and hot air from below goes up setting convection current. Thus, cooling in a refrigerator is kept near the top.
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