Wearing many layers of cotton clothes …
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Meghna Thapar 5 years, 11 months ago
In summer we prefer light – colored clothes and in winter we usually wear dark- colored clothes. If we take two tins filled with water kept in a sun and one tin is painted black from outside and one tin painted white from outside. We find that the water filled in a black colored tin is warmer than the white tin as black object absorbs more heat radiations than the white objects.
Woollen clothes keep us warm in winter: Wool is a poor conductor of heat and the air is trapped in between the wool fibres. This air prevents the flow of heat from our body to the cold surroundings. So we feel warm in woolen clothes.
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