1
KCET 2021
MCQ (Single Correct Answer)
+1
-0

Which of the following curves represent the variation of coefficient of volume expansion of an ideal gas at constant pressure?

A
KCET 2021 Physics - Heat and Thermodynamics Question 1 English Option 1
B
KCET 2021 Physics - Heat and Thermodynamics Question 1 English Option 2
C
KCET 2021 Physics - Heat and Thermodynamics Question 1 English Option 3
D
KCET 2021 Physics - Heat and Thermodynamics Question 1 English Option 4
2
KCET 2021
MCQ (Single Correct Answer)
+1
-0

A number of Carnot engines are operated at identical cold reservoir temperatures $$(T_L)$$. However, their hot reservoir temperatures are kept different. A graph of the efficiency of the engines versus hot reservoir temperature $$(T_H)$$ is plotted. The correct graphical representation is

A
KCET 2021 Physics - Heat and Thermodynamics Question 2 English Option 1
B
KCET 2021 Physics - Heat and Thermodynamics Question 2 English Option 2
C
KCET 2021 Physics - Heat and Thermodynamics Question 2 English Option 3
D
KCET 2021 Physics - Heat and Thermodynamics Question 2 English Option 4
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

A gas mixture contains monoatomic and diatomic molecules of 2 moles each. The mixture has a total internal energy of (symbols have usual meanings)

A
3RT
B
5RT
C
8RT
D
9RT
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