A cyclic process $ABCA$ is shown in the $V-T $ diagram. Process on the $P-V$ diagram is
  • A

  • B

  • C

  • D

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  • 1
    In the figure given two processes $A$ and $B$ are shown by which a thermo-dynamical system goes from initial to final state $F.$ If $\Delta {Q_A}$ and $\Delta {Q_B}$ are respectively the heats supplied to the systems then
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  • 2
    Answer the following by appropriately matching the lists based on the information given in the paragraph.

    In a thermodynamics process on an ideal monatomic gas, the infinitesimal heat absorbed by the gas is given by $T \Delta X$, where $T$ is temperature of the system and $\Delta X$ is the infinitesimal change in a thermodynamic quantity $X$ of the system. For a mole of monatomic ideal gas

    $X=\frac{3}{2} R \ln \left(\frac{T}{T_A}\right)+R \ln \left(\frac{V}{V_A}\right)$. Here, $R$ is gas constant, $V$ is volume of gas, $T_A$ and $V_A$ are constants.

    The $List-I$ below gives some quantities involved in a process and $List-II$ gives some possible values of these quantities.

    List-$I$ List-$II$
    $(I)$ Work done by the system in process $1 \rightarrow 2 \rightarrow 3$ $(P)$ $\frac{1}{3} R T_0 \ln 2$
    $(II)$ Change in internal energy in process $1 \rightarrow 2 \rightarrow 3$ $(Q)$ $\frac{1}{3} RT _0$
    $(III)$ Heat absorbed by the system in process $1 \rightarrow 2 \rightarrow 3$ $(R)$ $R T _0$
    $(IV)$ Heat absorbed by the system in process $1 \rightarrow 2$ $(S)$ $\frac{4}{3} RT _0$
      $(T)$ $\frac{1}{3} RT _0(3+\ln 2)$
      $(U)$ $\frac{5}{6} RT _0$

    If the process carried out on one mole of monatomic ideal gas is as shown in figure in the PV-diagram with $P _0 V _0=\frac{1}{3} RT _0$, the correct match is,

    $(1)$$I \rightarrow Q, II \rightarrow R , III \rightarrow P , IV \rightarrow U$

    $(2)$ $I \rightarrow S , II \rightarrow R , III \rightarrow Q , IV \rightarrow T$

    $(3)$ $I \rightarrow Q , II \rightarrow R , III \rightarrow S , IV \rightarrow U$

    $(4)$ $I \rightarrow Q , II \rightarrow S , III \rightarrow R , IV \rightarrow U$

    ($2$) If the process on one mole of monatomic ideal gas is an shown is as shown in the $TV$-diagram with $P _0 V _0=\frac{1}{3} RT _0$, the correct match is

    $(1)$ $I \rightarrow S, II \rightarrow T, III \rightarrow Q , IV \rightarrow U$

    $(2)$ $I \rightarrow P , II \rightarrow R, III \rightarrow T , IV \rightarrow S$

    $(3)$ $I \rightarrow P, II \rightarrow, III \rightarrow Q, IV \rightarrow T$

    $(4)$ $I \rightarrow P, II \rightarrow R, III \rightarrow T, IV \rightarrow P$

    Give the answer or quetion $(1)$ and $(2)$

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  • 3
    A cyclic process $ABCA$ is shown in the $V-T $ diagram. Process on the $P-V$ diagram is
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  • 4
    One mole of an ideal gas at an initial temperature of $T\, K$ does $6 R$ joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is $5/3$, the final temperature of gas will be
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  • 5
    An ideal gas undergoes four different processes from the same initial state as shown in the figure below. Those processes are adiabatic, isothermal, isobaric and isochoric. The curve which represents the adiabatic process among $1,2,3$ and $4$ is
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  • 6
    The specific heat of a gas at constant pressure is more than that of the same gas at constant volume because
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  • 7
    A sample of ideal monoatomic gas is taken round the cycle $ABCA$ as shown in the figure. The work done during the cycle is
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  • 8
    Match List $I$ with List $II$ :

    List $I$ List $II$
    $A$ Isothermal Process $I$ Work done by the gas decreases internal energy
    $B$ Adiabatic Process $II$ No change in internal energy
    $C$ Isochoric Process $III$ The heat absorbed goes partly to increase internal energy and partly to do work
    $D$ Isobaric Process $IV$ No work is done on or by the gas

    Choose the correct answer from the options given below :

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  • 9
    A thermally isolated cylindrical closed vessel of height $8 m$ is kept vertically. It is divided into two equal parts by a diathermic $($perfect thermal conductor$)$ frictionless partition of mass $8.3 kg$. Thus the partition is held initially at a distance of $4 m$ from the top, as shown in the schematic figure below. Each of the two parts of the vessel contains $0.1$ mole of an ideal gas at temperature $300 K$. The partition is now released and moves without any gas leaking from one part of the vessel to the other. When equilibrium is reached, the distance of the partition from the top $($in $m )$ will be $. . . . . ($take the acceleration due to gravity $=10 ms ^{-2}$ and the universal gas constant $=8.3 J mol ^{-1} K ^{-1} ).$
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  • 10
    Work done by a system under isothermal change from a volume ${V_1}$ to ${V_2}$ for a gas which obeys Vander Waal's equation $(V - \beta n)\,\left( {P + \frac{{\alpha {n^2}}}{V}} \right) = nRT$
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