A white and smooth surface is a poor absorber of heat and a good reflector. It reflects most of the incoming light and heat, minimizing absorption and thus remaining cooler.
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Air conditioners control both temperature and humidity, air coolers primarily cool the air through evaporation and do not effectively control humidity.
When sealed biscuits are kept inside the refrigerator, they become crispy because the humidity inside the refrigerator is generally low, which helps absorb excess moisture from the biscuits. This drying effect restores their crispiness.
Water has a higher heat capacity compared to a piece of iron, gold, or benzene. This means water can absorb more heat before its temperature rises significantly, making it an effective coolant and thermal buffer.
The heat required to convert a substance from liquid to gas without any temperature change is called latent heat of vaporization. This process occurs at the substance’s boiling point, where the liquid absorbs energy to overcome intermolecular forces and change ...