Thermodynamics (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 30  34 of 86
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Question number: 30
» Thermodynamics » Concept of Temperature
Question
One mole of an ideal gas at an initial temperature of does 6 R joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is , the final temperature of gas will be
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 31
» Thermodynamics » Laws of Thermodynamics » Zeroth Law of Thermodynamics
Question
One mole of an ideal gas expands at a constant temperature of 200 K from an initial volume of 10 litres to a final volume of 20 litres. The work done in expanding the gas is
(R = 8.31 J/moleK)
Choices
Choice (4)  Response  

a.  750 Joules 

b.  3456 Joules 

c.  1728 Joules 

d.  1500 Joules 

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Question number: 32
» Thermodynamics » Concept of Temperature
Question
An ideal gas expands in such a manner that its pressure and volume can be related by equation PV ^{2} = constant. During this process, the gas is
Choices
Choice (4)  Response  

a.  Heated 

b.  Cooled 

c.  First heated and then cooled 

d.  Neither heated nor cooled 

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Question number: 33
» Thermodynamics » Thermal Equilibrium
Question
A monatomic gas is suddenly compressed to of its original volume adiabatically, than the pressure of the gas will change to
Choices
Choice (4)  Response  

a. 


b.  8 

c.  32 times its initial pressure 

d. 


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Question number: 34
» Thermodynamics » Concept of Temperature
Question
Helium at 27° has a volume of 8 litres. It is suddenly compressed to a volume of 1 litre. The temperature of the gas will be
Choices
Choice (4)  Response  

a.  1200°C 

b.  9327°C 

c.  108°C 

d.  927°C 

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