The ratio of the relative rise in pressure for adiabatic compression to that for isothermal compression is

(1) γ

(2) 1γ

(3) 1-γ

(4) 11-γ

Subtopic:  Types of Processes |
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During an experiment and ideal gas is found to obey an additional law \(VP^2 = \text{constant}\). The gas is initially at a temperature \(T\) and volume \(V\). When it expand to a volume \(2V\), the temperature becomes:
1. \(T\)
2. \(2T\)
3. \(\sqrt{2}T\)
4. \(\frac{T}{2}\)

Subtopic:  Types of Processes |
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Thermodynamic processes are indicated in the following diagram.
          
Match the following:

Column I Column II
P.   Process-I        a.    Adiabatic      
Q. Process-II  b. Isobaric
R. Process-III  c. Isochoric
S. Process-IV d.   Isothermal
 
1. \(P \rightarrow \mathrm{a}, Q \rightarrow \mathrm{c}, R \rightarrow \mathrm{d}, S \rightarrow \mathrm{b}\)
2. \(P \rightarrow \mathrm{c}, Q \rightarrow \mathrm{a}, R \rightarrow \mathrm{d}, S \rightarrow b\)
3. \(P \rightarrow \mathrm{c}, Q \rightarrow \mathrm{d}, R \rightarrow \mathrm{b}, S \rightarrow a\)
4. \(P \rightarrow \mathrm{c}, Q \rightarrow \mathrm{d}, R \rightarrow \mathrm{b}, S \rightarrow a\)
Subtopic:  Types of Processes |
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NEET - 2017
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During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its temperature. The ratio of CP/CV for the gas is equal to:

1. 4/3 2. 2
3. 5/3 4. 3/2
Subtopic:  Types of Processes | Molar Specific Heat |
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NEET - 2013
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One mole of an ideal gas from an initial state A undergoes via two processes. It first undergoes isothermal expansion from volume V to 3V and then its volume is reduced from 3V to V at constant pressure. The correct P-V diagram representing the two processes is -

Subtopic:  Types of Processes |
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NEET - 2012
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A mass of diatomic gas (γ=1.4) at a pressure of 2 atm is compressed adiabatically so that its temperature rise from 27°C to 927°C. The pressure of the gas is final state is-

(1) 28 atm                                           

(2) 68.7 atm

(3) 256 atm                                           

(4) 8 atm

Subtopic:  Types of Processes |
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NEET - 2011
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If U and W represent the increase in internal energy and work done by the system respectively in a thermodynamical process,which of the following is true?

(1) U=-W, in a adiabatic process

(2) U=W, in a isothermal process

(3) U=W, in adiabatic process

(4) U=-W,in a isothermal process 

Subtopic:  Types of Processes |
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NEET - 2010
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A monoatomic gas at pressure p1 and V1 is compressed adiabatically to 18th its original volume. What is the final pressure of the gas ?

(1) 64 p1                                   

(2) p1

(3) 16 p1                                   

(4) 32 p1

Subtopic:  Types of Processes |
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In thermodynamic processes, which of the following statements is not true?

1. In an adiabatic process, the system is insulated from the surroundings.
2. In an isochoric process, the pressure remains constant.
3. In an isothermal process, the temperature remains constant.
4. In an adiabatic process, \(P V^\gamma\) = constant.

Subtopic:  Types of Processes |
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NEET - 2009
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The specific heat at constant pressure and at constant volume for an ideal gas are Cp and Cv and its adiabatic and isothermal elasticities are E andEθ  respectively. The  ratio of E to Eθ is

(1) Cv/Cp

(2) Cp/Cv

(3) CpCv

(4) 1/CpCv

Subtopic:  Types of Processes |
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