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Assertion : Woollen clothes keep the bod...

Assertion : Woollen clothes keep the body warm in winter
Reason : Air is a bad conductor of heat.

A

If both the assertion and reason are true and reason is correct explanation of the assertion .

B

If both the assertion and reason are true but reason is not a correct explanation of the assertion .

C

If the assertion is true but the reason is false.

D

If both assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A
Woolen fibres enclose a large amount of iar in them. Both wool and air are the bad conductors of heat and their coefficient of thermal conductivity is small. Thus they prevent any loss of heat from our body.
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