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Thermodynamics — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsThermodynamics1 Mark
MCQ
The efficiency of Carnot engine when source temperature is $T$ and sink temperature is $T$ will be
  • ✓
    $\frac{T_1-T_2}{T_1}$
  • B
    $\frac{T_2-T_1}{T_2}$
  • C
    $\frac{T_1-T_2}{T_2}$
  • D
    $\frac{T_1}{T_2}$
✓

Answer

Correct option: A.
$\frac{T_1-T_2}{T_1}$
(a)

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