Which p-V curve among the following depicts the highest amount of work done?

 1 2 3 4
Subtopic:  2nd & 3rd Law of Thermodynamics |
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1.  $q=0,$ $∆T<0$ and $w>0$

2.  $q<0,$ $∆T=0$ and $w=0$

3.  $q>0,$ $∆T>0$ and $w>0$

4.  $q=0,$ $∆T=0$ and $w=0$

Subtopic:  2nd & 3rd Law of Thermodynamics |
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NEET - 2020
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Under the isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is:
[Given that 1 L bar = 100 J]

1. 30 J

2. –30 J

3. 5 kJ

4. 25 J

Subtopic:  2nd & 3rd Law of Thermodynamics |
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NEET - 2019
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Reversible expansion of an ideal gas under isothermal and adiabatic conditions are as shown in the figure:

AB$\to$Isothermal expansion

AC$\to$Adiabatic expansion

Which of the following options is not correct?

1. $∆{S}_{isothermal}>∆{S}_{adiabatic}$

2. ${T}_{A}={T}_{B}$

3. ${W}_{isothermal}>{W}_{adiabatic}$

4. ${T}_{C}>{T}_{A}$

Subtopic:  2nd & 3rd Law of Thermodynamics |
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NEET - 2019
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