1
IIT-JEE 2009 Paper 2 Offline
MCQ (More than One Correct Answer)
+4
-2

The figure shows the PV plot of an ideal gas taken through a cycle ABCDA. The part ABC is a semicircle and CDA is half of an ellipse. Then,

IIT-JEE 2009 Paper 2 Offline Physics - Heat and Thermodynamics Question 13 English

A
the process during the path A $$\to$$ B is isothermal.
B
heat flows out of the gas during the path B $$\to$$ C $$\to$$ D.
C
work done during the path A $$\to$$ B $$\to$$ C is zero.
D
positive work is done by the gas in the cycle ABCDA.
2
IIT-JEE 2009 Paper 1 Offline
MCQ (More than One Correct Answer)
+4
-2

$$C_V$$ and $$C_P$$ denote the molar specific heat capacities of a gas at constant volume and constant pressure, respectively. Then

A
$$C_P-C_V$$ is larger for a diatomic ideal gas than for a monoatomic ideal gas.
B
$$C_P+C_V$$ is larger for a diatomic ideal gas than for a monoatomic ideal gas.
C
$$C_P/C_V$$ is larger for a diatomic ideal gas than for a monoatomic ideal gas.
D
$$C_P~.C_V$$ is larger for a diatomic ideal gas than for a monoatomic ideal gas.
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