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The internal energy of an ideal gas decr...

The internal energy of an ideal gas decreases by the same amount as the work done by the system
(i) The process must be adiabatic
(ii) The process must be isothermal
(iii) The process must be isobaric
(iv) The temperature must decrease

A

(i),(ii)

B

(ii),(iii)

C

(iii),(iv)

D

(i),(iv)

Text Solution

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The correct Answer is:
D
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  7. In the figure shown, the processes leveled 1,2,3 and 4 are

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  9. A carnot cycle has the reversible process in the following order:

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  10. Choose the incorrect statement from the following: S1: The efficienc...

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  11. An ideal gas is subjected to cyclic process involving four thermodynam...

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  12. Helium gas goes through a cycle ABCDA (consisting of two isochoric and...

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  15. Efficiency of a Carnot engine is 50% when temperature of outlet is 500...

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  16. An ideal refrigerator has a freezer at a temperature of -13^(@)C. The ...

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  17. An ideal refrigerator is used to transfer heat from a freezer at -23^@...

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  18. In a refrigerator, heat from inside at 277K is transferred to a room a...

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  19. If the door of a refrigerator is kept open, then which of the followin...

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  20. A Carnot engine, having an efficiency of eta=1//10 as heat engine, is ...

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