Assertion :Though air is a bad conductor yet a body kept in air loses heat quickly.
Reason: The heat loss is mainly due to radiation.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is correct but Reason is incorrect
In this case, heat is lost by convection primarily, therefore reason is incorrect. The air particles in immediate contact of the body absorb its heat and become lighter. They rise up due to convection.

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