Thermodynamics (NEET (NTA)National Eligibility cum Entrance Test (Medical) Physics): Questions 27  30 of 86
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Question number: 27
» Thermodynamics » Laws of Thermodynamics » Second Law of Thermodynamics
Question
The pressure in the tire of a car is four times the atmospheric pressure at 200 K. If this tire suddenly bursts, its new temperature will be (γ = 1.4)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 28
» Thermodynamics » Thermal Equilibrium
Question
For an isothermal expansion of a perfect gas, the value of is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


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Question number: 29
» Thermodynamics » Laws of Thermodynamics » Second Law of Thermodynamics
Question
One mole of an ideal monatomic gas is taken from A to C along the path ABC. The temperature of the gas at A is T _{0}. For the process ABC –
(1) Work done by the gas is
(2) Change in internal energy of the gas is
(3) Heat absorbed by the gas is
(4) Heat absorbed by the gas is
Select the correct answers and mark it according to the following codes:
Choices
Choice (4)  Response  

a.  2 and 4 are correct 

b.  1 and 2 ate correct 

c.  1,2 and 3 are correct 

d.  1 and 3 are correct 

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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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