Properties Of Solids And Liquids Question 523
Question: A constant volume gas thermometer shows pressure reading of 50cm and 90cm of mercury at 0°C and 100°C respectively. When the pressure reading is 60 cm of mercury, the temperature is [MNR 1991; UPSEAT 2000; Pb. CET 2004]
Options:
A) 25°C
B) 40°C
C) 15°C
D) 12.5°C
Show Answer
Answer:
Correct Answer: A
Solution:
$ t=\frac{(P _{t}-P _{0})}{(P _{100}-P _{0})}\times 100{}^\circ C=\frac{(60-50)}{(90-50)}\times 100=25{}^\circ C $
