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Question

Physics Question on thermal properties of matter

Woollen clothes keep the body warm, because wool

A

decreases the temperature

B

increases the temperature of body

C

is a bad conductor

D

all of these

Answer

is a bad conductor

Explanation

Solution

Wool being a bad conductor of heat due to the presence of the air gaps in it and so it does not let our body temperature decrease through conduction. That?? why it keeps our body warm.