Assertion :The temperature at which centigrade and Fahrenheit thermometer read the same is $- 40^{o} C$ . Reason: There is no relation between Fahrenheit and centigrade temperature.

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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Assertion is incorrect but Reason is correct

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Solution

The correct option is C Assertion is correct but Reason is incorrect
The Centigrade and Fahrenheit thermometers read the same temperature at $- 40^{o} C$ because of $C = \frac{5}{9} (F - 32)$

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Choose the correct option.

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