Question

At $0^{\circ }C$ pressure measured by barometer is 760 mm. What will be pressure at ${100}^{\circ }C$

• A. 760 mm
• B. 730 mm
• C. 780 mm
• D. None of these

Answer 1

The correct option is D None of these

$\frac{P_2}{P_1}=\frac{T_2}{T_1}=\left(\frac{100+273}{0+273}\right)=\frac{373}{273}\Rightarrow P_2=\left(\frac{373}{273}\right)\times 760=1038mm.$