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1.

A pressure \((P)\) versus volume \((V)\) graph is obtained for an ideal gas from state \(A\) to state \(B\) (as shown in the figure below). Which of the following is the correct statement?
         

1.	The temperature of gas increases continuously.
2.	The temperature of gas decreases continuously.
3.	The temperature first increases, then decreases.
4.	The temperature first decreases, then increases.

2. The molar heat capacity in the case of a diatomic gas if it does work of \(\dfrac{Q}{4}\) when heat \(Q\) is supplied to it is:
1. \(\dfrac{2}{5}R\)
2. \(\dfrac{5}{2}R\)
3. \(\dfrac{10}{3}R\)
4. \(\dfrac{6}{7}R\)

3.

Which of the following is true for the molar heat capacity of an ideal gas?

1.	It cannot be negative.
2.	It has only two values \(\left(C_P \text { and } C_V\right)\).
3.	It can have any value.
4.	It cannot be zero.

4.

An insulator container contains \(4\) moles of an ideal diatomic gas at a temperature \(T.\) If heat \(Q\) is supplied to this gas, due to which \(2\) moles of the gas are dissociated into atoms, but the temperature of the gas remains constant, then:
1. \(Q=2RT\)
2. \(Q=RT\)
3. \(Q=3RT\)
4. \(Q=4RT\)

5.

The cyclic process of \(2\) moles of diatomic gas is shown in the figure. Which of the following statements is correct?
 

1.	The process \(BC\) is an isothermal compression.
2.	The work done in the process \(CA\) is \(4 R T_0\)
3.	The work done in the process \(AB\) is zero.
4.	All of these