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Woolen clothes keep the body warm, because wool (a) Is a bad conductor (b) Increases the temperature of body (c) Decreases the temperature (d) All of these

Woolen clothes keep the body warm, because wool

(a) Is a bad conductor
(b) Increases the temperature of body
(c) Decreases the temperature
(d) All of these

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

The answer is option a

Regards
Vikas TU
14149 Points
one year ago
Woolen clothes keep the body warm becauseWool is a poor conductor of heat because it traps a large amount of air between its fibres. The wool itself is not the insulator, the air is. This explains why, if your hands or feet are very cold, is is better to wear two thinner pairs of gloves/socks than one thick pair because the layer of air trapped between the two gloves/socks on each hand/foot acts as an extra insulator keeping the heat generated by the body inside the gloves/socks instead of letting it out. In the first instance wool is used by its natural wearer, a sheep, to keep warm on the exposed hillsides where it lives.

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