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When a system is taken from state 'a' to state 'b' along the path 'acd', is is found that a quantity of heat `Q = 200J` is absorbed by the system and a work `W = 80 J` is done by it. Along the path 'adb', `Q = 144J`. The work done along the path 'adb' is

A

6J

B

12J

C

18J

D

24J

Text Solution

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The correct Answer is:
D
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When a system is taken from state 'a' to state 'b' along the path 'acb', it is found that a quantity of heat Q = 200 J is absorbed by the system and a work W = 80 J is done by it. Along the path 'adb', Q = 144 J In the above question, if the work done on the system along the curved path 'ba' is 52J, heat absorbed is

When a system is taken from state 'a' to state 'b' along the path 'acb', it is found that a quantity of heat Q = 200 J is absorbed by the system and a work W = 80 J is done by it. Along the path 'adb', Q = 144 J In the above question, if U_(d)=88J , heat absorbed for the path 'db' is

When a system is taken from state 'a' to state 'b' along the path 'acb', it is found that a quantity of heat Q = 200 J is absorbed by the system and a work W = 80 J is done by it. Along the path 'adb', Q = 144 J In above question, if U_(a)=40J , value of U_(b) will be

When a system is taken from state i to state f along the path iaf, it is found that Q=50 cal and W=20 cal . Along the path ibf Q=36cal . W along the path ibf is

When a system is taken from state A to state B along path ACB as shown in figure below, 80 J of heat flows into the system and the system does 30 J of work. When the system is returned from state B to A along the curve path, the work done on the system is 20 J . Does the system absorb or literate heat and by how much ?

When a system is taken from state a to state b, in figure along the path a to c to b , 60J of heat flow into the system, and 30 J of work is done : (i) How much heat flows into the system along the path a to d to b if the work is 10J . (ii) When the system is returned from b to along the curved path, the work done by the system is -20J . Does the system absorb or liberate heat, and how much ? (iii) If , U_(a) = 0 and U_(d)= 22J , find the heat absorbed in the process a to d and d to b .

MOTION-HEAT-2 -EXERCISE-1
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  2. A system is given 400 calories of heat and 1000 Joule of work is done ...

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  3. For a thermodynamic process delta Q=- 50 calorie and W =-20 calorie. I...

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  4. One mole of an ideal gas at temperature T(1) expends according to the ...

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  5. One mole of an ideal diatomic gas is taken through the cycle as shown ...

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  6. When a system is taken from state 'a' to state 'b' along the path 'acd...

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  7. In the above question, if the work done on the system along the curved...

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  8. In above question, if U(a) = 40J, value of U(b) will be

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  9. A diatomic gas of moleculer weight 30 gm/mole is filled in a container...

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  10. An ideal gas undergoes the process 1 to 2 as shown in the figure, the ...

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  11. If heat is added at constant volume, 6300 J of heat are required to ra...

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  12. A reversible adiabatic path on a P-V diagram for an ideal gas passes t...

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  13. Four curves A, B, C and D are drawn in Fig. for a given amount of gas....

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  14. In reference of above figure, no heat exchange between the gas and the...

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  15. During the adiabatic change of ideal gas, the realation between the pr...

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  16. The pressure of the gas filled in thermally insulated container is P a...

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  17. A thermodynamics cycle takes in heat energy at a high temperature and ...

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  18. A cylindrical tube of cross-sectional area A has two air tight frictio...

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  19. A carnot engine works between ice point and steam point. It is desired...

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  20. A cylindrical tube of uniform cross-sectional area A is fitted with tw...

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