Before starting a journey, the tyre pressure of a car was 3 x 105Nm-2 at 27oC. At the end of the journey, the pressure rose to 4 x 105Nm-2. Calculate the temperature of the tyre after the journey, assuming the volume is constant
-
A.
400oC -
B.
300oC -
C.
273oC -
D.
127oC
Correct Answer: Option D
Explanation
(frac{P_1}{T_1}) = (frac{ P_2}{T_2})
(frac{3 times 10^6}{27 + 273}) = (frac{4 times 10^6}{0 + 273})
(theta) = 127oC