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qUESTIONS

f in a thermodynamic system, ‘△U’ represents the increases in its internal energy and ‘W’ is the amount of work done by the system, then which one of the following statements is true?

A cyclic process is shown in figure. Work done during isobaric expansion is

What is the nature of change in internal energy in the following three thermodynamical processes shown in figure?

The isothermal Bulk modulus of an ideal gas at pressure P is

The thermodynamic process in which no work is done on or by the gas is

Internal energy of ideal gas depends on

The p-V diagram of a system undergoing thermodynamic changes is as shown in the figure. The work done by the system is going from A→B→C is 30 J. If 68 J of heat is given to the system, then the change in the internal energy of the system between A and C is

An ideal gas is expanded adiabatically. How many times has the gas to be expanded to reduce the rms speed of molecules 2 times ? (Ɣ = 1.5)

A monoatomic gas is heated at constant pressure. The percentage of total heat used for doing external work is

An ideal monoatomic gas is taken around the cycle ABCD as shown in the p-V diagram. The work done during the cycle is given by

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