A) \[100{}^\circ C\]
B) \[50{}^\circ C\]
C) \[25{}^\circ C\]
D) \[300{}^\circ C\]
E) none of these
Correct Answer: D
Solution :
Pressure at \[0{}^\circ C,\text{ }{{\text{P}}_{0}}=40\text{ }cm\] Pressure at \[100{}^\circ C,\text{ }{{\text{P}}_{100}}=60\text{ }cm\] Pressure at unknown temperature t, \[{{p}_{t}}=100\,cm\] of mercury. Then \[t=100\left( \frac{{{p}_{t}}-{{p}_{0}}}{{{p}_{100}}-{{p}_{0}}} \right)\] \[=100\left( \frac{100-40}{60-40} \right)=300{}^\circ C\]
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