Gujarat BoardEnglish MediumSTD 11 SciencePhysicsThermal Properties of Matter2 Marks
Question
Calculate the temperature whose value is the same on the Celsius and Fahrenheit scale?
✓
Answer
Let the required temperature in both the scales be x. i.e., $\text{C}=\text{F}=\text{x}$ Now $\frac{\text{C}}{100}=\frac{\text{F}-32}{180}$ $\therefore\frac{\text{x}}{100}=\frac{\text{x}-32}{180}$ $180\text{x}=100\text{x}-3200$ $80\text{x}=-3200$ $\Rightarrow\text{x}=-40$ - 40ºC is equivalent to - 40ºF.
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