1.

A faulty thermometer has its fixed points marked as 5^(@) and 95^(@). The temperature of a body as measoured by the faulty thermometer is 59^(@). Find the correct temperture of the body on Celsius scale.

Answer»

Solution :LET the reading on the FAULTY thermometer be x and the corresponding reading on Celsius SCALE be C.
`(x -"L.F.P.")/("U.F.P. - L.F.P.") = (C - 0)/(100 - 0) "" (x - 5)/(95 - 5) = (C)/(100)`
` C = (100)/(90) (x -5 ) "" C = (10)/(9) (x - 5)`
` C = (10)/(9) (59-5) "" (because x = 59^(@)) C = 60^(@) C `


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