Heat and Thermal ExpansionHard

Question

A centigrade and a Fahrenheit thermometer are dipped in boiling water. The water temperature is lowered until the Fahrenheit thermometer registers 140oF What is the temperature as registered by the temperature as registered the centigrade thermometer : -

Options

A.30o
B.40o
C.60o
D.80o

Solution

For centigrade and Fahrenheit scale
× (140 - 32) = 60oC

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