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Question
Which of the following statements are true about cotton clothes and woolen clothes?
Which of the following statements are true about cotton clothes and woolen clothes?
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Solution
The correct options are
A We wear woolen clothes in winter.
D We wear cotton clothes in summer.
Woolen fabrics are fluffy, and have many layers in them which helps in trapping air inside it. Air and wool being an insulator reduces heat transfer to the surrounding and thereby insulating our body. Hence, we wear woolen clothes in winter.
On the other hand, cotton fabric has very less air pockets in it and hence is capable of trapping less air. This facilitates heat exchange between our body and the surroundings. That is why, we wear cotton clothes in summer.
A We wear woolen clothes in winter.
D We wear cotton clothes in summer.
Woolen fabrics are fluffy, and have many layers in them which helps in trapping air inside it. Air and wool being an insulator reduces heat transfer to the surrounding and thereby insulating our body. Hence, we wear woolen clothes in winter.
On the other hand, cotton fabric has very less air pockets in it and hence is capable of trapping less air. This facilitates heat exchange between our body and the surroundings. That is why, we wear cotton clothes in summer.
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