1
NEET 2024 (Re-Examination)
+4
-1

The equilibrium state of a thermodynamic system is described by

A. Pressure

B. Total heat

C. Temperature

D. Volume

E. Work done

Choose the most appropriate answer from the options given below.

A
A, B and E only
B
B, C and D only
C
A, B and C only
D
A, C and D only
2
NEET 2024 (Re-Examination)
+4
-1

According to the law of equipartition of energy, the number of vibrational modes of a polyatomic gas of constant $$\gamma=\frac{C_p}{C_v}$$ is ($$C_P$$ where $$C_V$$ are the specific heat capacities of the gas at constant pressure and constant volume, respectively):

A
$$\frac{4+3 \gamma}{\gamma-1}$$
B
$$\frac{3+4 \gamma}{\gamma-1}$$
C
$$\frac{4-3 \gamma}{\gamma-1}$$
D
$$\frac{3-4 \gamma}{\gamma-1}$$
3
NEET 2024
+4
-1

A thermodynamic system is taken through the cycle $$abcda$$. The work done by the gas along the path $$b c$$ is:

A
Zero
B
30 J
C
$$-$$90 J
D
$$-$$60 J
4
NEET 2024
+4
-1

The following graph represents the $$T$$-$$V$$ curves of an ideal gas (where $$T$$ is the temperature and $$V$$ the volume) at three pressures $$P_1, P_2$$ and $$P_3$$ compared with those of Charles's law represented as dotted lines.

Then the correct relation is :

A
$$P_3>P_2>P_1$$
B
$$P_1>P_3>P_2$$
C
$$P_2>P_1>P_3$$
D
$$P_1>P_2>P_3$$
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