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Assertion. The size of a degree on Fahrenheit scale is smaller than that on celsius scale. Reason. When temperature on celsius scale reads 0^(@), it reads 32^(@) on Fahrenheit scale.

Answer»

If both assertion and REASON are true, and reason is the true EXPLANATION of the assertion.
If both assertion and reason are true, but reason is not the true explanation of the assetion.
If assertion is true, but reason if false
If both assertion and reason are false.

Solution :Correct explanation. 180 degrees on FAHRENHEIT scale `=100^(@)` on Calsius scale. HENCE, one degree on Fahrenheit scale `=(100)/(180)=(5)/(9)` degree on CELSIUS scale.


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