A) \[{{38.5}^{o}}C\]
B) \[{{40}^{o}}C\]
C) \[{{42.85}^{o}}C\]
D) \[{{45}^{o}}C\]
Correct Answer: C
Solution :
\[\frac{60-50}{10}=K\left( \frac{60+50}{2}-25 \right)\] ?..(i) \[\frac{50-\theta }{10}=K\left[ \frac{50+\theta }{2}-25 \right]\] ?..(ii) On dividing, we get \[\frac{10}{50-\theta }=\frac{60}{\theta }\Rightarrow \theta ={{42.85}^{o}}C\]
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