A constant volume gas thermometer shows pressure reading of 50 cm and – McqOptions

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1.	A constant volume gas thermometer shows pressure reading of 50 cm and 90 cm of mercury at \[0{}^\circ C\] and \[100{}^\circ C\] respectively. When the pressure reading is 60 cm of mercury, the temperature is
A.	\[25{}^\circ C\]
B.	\[40{}^\circ C~\]
C.	\[15{}^\circ C\]
D.	\[{{12.5}^{o}}C\]
Answer» B. \[40{}^\circ C~\]

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