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Question 1 of 5
1. Question
4 pointsA Carnot engine working between 300 K and 400 K has 800 J of useful work. The amount of heat energy supplied to the engine from the source is [Karnataka CET 2016]
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Question 2 of 5
2. Question
4 pointsOne mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure,
The change in internal energy of the gas during the transition is [AIPMT 2015]
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Question 3 of 5
3. Question
4 pointsThe coefficient of performance of a refrigerator is 5. If the temperature inside freezer is –20°C, the temperature of the surroundings to which it rejects heat is [AIPMT 2015]
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Question 4 of 5
4. Question
4 pointsWhich statement is incorrect? [AIEEE 2002]
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Question 5 of 5
5. Question
4 pointsAn ideal gas heat engine operates in a Carnot cycle between 227ºC and 127ºC. It absorbs 6 kcal at the higher temperature. The amount of heat (in kcal) converted into work is equal to [CBSE AIPMT 2003]
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