11th Class Physics Thermodynamical Processes Question Bank Thermodynamics Conceptual Problems

  • question_answer
    Is the efficiency of a heat engine more in hilly areas than in the plains?

    Answer:

                    In hilly areas, the temperature of the surroundings is lower than that in plains, so the ratio \[{{T}_{2}}/{{T}_{1}}\] is less in hilly areas than that in plains. But  \[\eta =1-\frac{{{T}_{2}}}{{{T}_{1}}}\] Hence efficiency \[\eta \] is more in hilly areas than in plains.


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