Question
Can the efficiency of Carnot engine be 100%?
Solution
The efficiency of Carnot engine is given by,
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The efficiency of Carnot engine depends on temperature of source and sink i.e. T1 and T2.
The efficiency of the heat engine can be 100% if T2 = 0 i.e. temperature of the sink is absolute zero.
Since absolute zero cannot be obtained, therefore, efficiency cannot be 100%.
The efficiency of Carnot engine depends on temperature of source and sink i.e. T1 and T2.
The efficiency of the heat engine can be 100% if T2 = 0 i.e. temperature of the sink is absolute zero.
Since absolute zero cannot be obtained, therefore, efficiency cannot be 100%.
