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PART - 2 CH - 11 Thermodynamics — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysicsPART - 2 CH - 11 Thermodynamics1 Mark
Question
Write the definition of efficiency of a heat engine.
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Answer

The ratio of the mechanical work W provided by some heat and the heat Q taken from the source by the engine is called the efficiency of the engine. This is represent by. Efficiency of heat engine
$\eta=\frac{W}{Q}$

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