EASY
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Which is the correct graphical representation for ideal gas under isothermal condition?

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Important Questions on Thermodynamics

EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State

Consider the following thermodynamical variables
(i) Pressure
(ii) Internal Energy
(iii) Volume
(iv) Temperature

Out of these, the intensive variable(s) is (are)

EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Which of the following statements about the P-V diagram of an ideal gas of fixed number of particles is incorrect?
MEDIUM
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State

A system goes from A to B via two processes I and II shown in the figure. If ΔU1 and ΔU2 are the changes in internal energies in the processes I and Il respectively

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EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Which of the following is extensive variable?
MEDIUM
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Which one this is example of the extensive variable in thermodynamics?
MEDIUM
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Identify the state variables given here?
EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State

By what percentage should the pressure of the given mass of gas be increased so to decrease its volume by 10% at a constant temperature?

HARD
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State

Which of the following is isentropic process

MEDIUM
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Which of the following is the correct intensive property or a thermodynamic system?
EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State

Consider the following thermodynamic variables:
(i) Pressure
(ii) Internal Energy
(iii) Volume
(iv) Temperature

Out of these, the intensive variable(s) is (are):

MEDIUM
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
In an isothermal change, the internal energy of an ideal gas:
HARD
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
From the given options, using which variables for X and Y -axis we can make an isotherm graph?
EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
A mixture of n1 moles of a mono atomic gas and n2 moles of a diatomic gas has CpCv=γ=1.5
Then, n1n2 equals
EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Which of the following parameters do not characterise the thermodynamic state of matter.
EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State

Which is intensive property?

MEDIUM
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Which of the following properties of a thermodynamic system are extensive?
EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Which of the following is not thermodynamic function 
EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Cotyledons are also called-
EASY
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
Choose the intensive property from the options given below.
MEDIUM
Physics>Heat and Thermodynamics>Thermodynamics>Thermodynamics State Variables and Equation of State
From the given below option, which one is not the state variable?