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An ideal gas is taken from the state A (...

An ideal gas is taken from the state A (pressure p, volume V) to the state B (pressure `p/2`, volume 2V) along a straight line path in the p-V diagram. Select the correct statement(s) from the following.

A

The work done by the gas in the process A to B exceeds the work that would be done by it, if the system were taken from A to B along the isotherm.

B

In the T-V diagram, the path AB becomes a part of parabola.

C

In the P-T diagram, the path AB becomes a hyperbola.

D

In going from A to B, then temperature T of the gas first increase maximum volume and then decrease.

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The correct Answer is:
A, B, D
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An ideal gas is taken form the state A(P,V) to the state B((P)/(2),2V) along a straight line path in the P-V diagram. Select the correct options (i) The work done by the gas in the process A to B exceeds the work that would be done by it if the system were taken from A to B along the isotherm (ii) In the T-V diagram, the path AB becomes part of a hyperbola (iii) In the P-T diagram, the path AB becomes part of a hyperbola (iv) In going from A to B, the temperature T of the first increases to maximum value and then decreases

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FIITJEE-HEAT AND TEMPERATURE-ASSIGNMENT PROBLEMS (OBJECTIVE) (LEVEL II)
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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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