Assertion :It is hotter over the top of a fire than at the same distance of the sides. Reason: Air surrounding the fire conducts more heat upwards.

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
It is hotter over the top of a fire. It is because of convection current established over the fire. As air warms up, its density decreases as a result of which it goes up and makes upper layer of air hot.
The reason is false

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