TS EAMCET · Physics · Kinetic Theory of Gases
The following figure shows a Carnot engine that works between temperatures and and drives a Carnot refrigeration that works between temperatures and The quantity will be

- A
- B
- C
- D
Answer & Solution
Correct Answer
(D)
Step-by-step Solution
Detailed explanation
Efficiency of Carnot engine is given by, η=WQ1=1-T2T1 ...1 ⇒1-Q2Q1=1-200400, ∵W=Q1-Q2 ⇒Q2Q1=200400=12 ...2 For refrigerator, COP is given by, COP=Q4W=T4T3-T4 ...3 ⇒Q3-Q4Q4=T3-T4T4 ⇒Q3Q4-1=T3T4-1…
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