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#33 | Application of First Law to IsoThermal Process
(Physics) > Thermodynamics
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Related Practice Questions :

A system is taken from state A to state B along two different paths 1 and 2. If the heat absorbed and work done by the system along these two paths are  respectively, then

(1) ${Q}_{1}={Q}_{2}$

(2) ${W}_{1}={W}_{2}$

(3) ${Q}_{1}-{W}_{1}={Q}_{2}-{W}_{2}$

(4) ${Q}_{1}+{W}_{1}={Q}_{2}+{W}_{2}$

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Difficulty Level:

Figure below shows two paths that may be taken by a gas to go from a state A to a state C. In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the process AC will be- (a) 380 J
(b) 500 J
(c) 460 J
(d) 300 J

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Difficulty Level:

A thermodynamic system is taken through the cycle ABCD as shown in figure. Heat rejected by the gas during the cycle is (a)2 pV                                     (b)4 pV

(c)$\frac{1}{2}pV$                                    (d)pV

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Difficulty Level:

An ideal gas goes from state A to state B

via three different processes as indicated

in the p-V diagram

If  indicates the heat absorbed

by the gas along the three processes and

indicates the change in

internal energy along the three processes

respectively, then (a)

(b)

(c)

(d)

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Difficulty Level:

The internal energy change in a system that has absorbed 2 kcal of heat and done 500 J of work is

(a) 8900 J                                      (b) 6400 J

(c) 5400 J                                      (d) 7900 J