11th Standard CBSE Physics HOT Questions
CBSE 11th Standard Physics Subject Thermodynamics HOT Questions 5 Mark Questions With Solution 2021
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CBSE 11th Standard Physics Subject Thermodynamics HOT Questions 5 Mark Questions With Solution 2021
11th Standard CBSE
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Reg.No. :
Physics
Time :
01:00:00 Hrs
Total Marks :
15
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The efficiency of a Carnot engine is 1/2. If the sink temperature is reduced by 100o C, then engine efficiency becomes 2/3. Find
(i) sink temperature
(ii) source temperature
(iii) Explain, why a Carnot engine cannot have 100% efficiency?(a)
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