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Assertion : Woolen clothes keep the body...

Assertion : Woolen 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 the correct explanation of the assertion.

B

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

C

If the assertion is true but the reason is false

D

If the both the assertion and reason are false.

Text Solution

Verified by Experts

The correct Answer is:
A

The fibers of woollen clothes have large interspaces and air is filled in these spaces. Both wool and air are bad conductors of heat and the coefficient of thermal conductivity is small. So, they prevent any loss of heat from our body.
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