Assertion :The air pressure in a car tyre increases during driving. Reason: Temperature of air in the tyre increases due to friction of tyre with road. Increase in temperature results in an increase in pressure according to Charle's law.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Due to friction, energy is transferred to the air inside tyre and hence its temperature increases. Now as per charles law, since the volume of the tyre remains constant, hence $P α T$ and thus pressure of gas in the tyre increases.

Thus, both the statements are correct and second is correct explanation of the first.

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