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Thermodynamics — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysicsThermodynamics1 Mark
MCQ
Coefficient of performance for heat pump is $($when heat supplied by system is $Q_1):$
  • ✓
    $\alpha=\frac{\text{Q}_2}{\text{W}}$
  • B
    $\alpha=\frac{\text{Q}_1}{\text{W}}$
  • C
    $\alpha=\frac{\text{Q}_1}{\text{Q}_2}$
  • D
    $\alpha=\frac{\text{Q}_2}{\text{Q}_1}$
✓

Answer

Correct option: A.
$\alpha=\frac{\text{Q}_2}{\text{W}}$

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