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When an enclosed perfect gas is subjecte...

When an enclosed perfect gas is subjected to an adiabatic process :

A

its total internal energy does not change

B

its total internal energy changes

C

its pressure varies inversely as a certain power of its volume

D

the product of its pressure and volumé is directly proportional to its absolute temperature.

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The correct Answer is:
B, C, D
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FIITJEE-HEAT AND TEMPERATURE-ASSIGNMENT PROBLEMS (OBJECTIVE) (LEVEL II)
  1. A metal rod is shaped into a ring with a small gap. If this is heated,...

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  2. A gas with (c(p))/(c(V))=gamma goes from an intial state (p(1), V(1), ...

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  3. A gas may expand either adiabatically or isothermally. A number of p-V...

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  4. A gas expands such that its initial and final temperatures are equal. ...

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  5. Two gases have the same initial pressure, volume and temperature. They...

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  6. In the previous question, if the two gases are compressed to the same ...

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  7. The first law of thermodynamics incorporates the concepts of

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  8. A vessel contains 1 mole of O2 at a temperature T. The pressure of gas...

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  9. For an ideal gas :

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  10. The molar heat capacity for an ideal gas

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  11. Cp is always greater than Cv for a gas, which of the following stateme...

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  12. A system undergoes a cyclic process in which it absorbs Q, heat and gi...

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  13. When an enclosed perfect gas is subjected to an adiabatic process :

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  14. In the isothermal expansion of an ideal gas:

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  15. An ideal gas is taken from the state A (pressure p, volume V) to the s...

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  16. Heat is supplied to a certain homogeneous sample of matter, at a unifo...

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  17. The two ends of a uniform rod of thermal conductivity k are maintained...

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  18. Three rods A,B and C have the same dimensions Their conductivities are...

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  19. The three rods described in the previous question are placed individua...

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  20. Three stars A, B and C appears as green, red and blue respectively. Th...

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