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10-1.Thermometry, Thermal Expansion and Calorimetry
easy
Which of the curves in figure represents the relation between Celsius and Fahrenheit temperatures
A
$1$
B
$2$
C
$3$
D
$4$
Solution
(a) $\frac{C}{5} = \frac{{F – 32}}{9}$ $\Rightarrow$ $C = \left( {\frac{5}{{9.}}} \right)\,F – \frac{{20}}{3}.$
Hence graph between $°C$ and $°F$ will be a straight line with positive slope and negative intercept.
Standard 11
Physics
