Thermodynamic Processes
PHXI12:THERMODYNAMICS

371495 Consider two containers \(A\) and \(B\) containing identical gases at the same pressure, volume and temperature. The gas in container \(A\) is compressed to half of its original volume isothermally while the gas in container \(B\) is compressed to half of its original value adiabatically. The ratio of final pressure of gas in \(B\) to that of gas in \(A\) is

1 \(2^{\gamma-1}\)
2 \(\left(\dfrac{1}{2}\right)^{\gamma-1}\)
3 \(\left(\dfrac{1}{1-\gamma}\right)^{2}\)
4 \(\left(\dfrac{1}{\gamma-1}\right)^{2}\)
PHXI12:THERMODYNAMICS

371496 A perfect gas goes from state \(A\) to state \(B\) by absorbing \(8 \times {10^5}\;J\) of heat and doing \(6.5 \times {10^5}\;J\) of external work. It is now transferred between the same two states in another process in which it absorbs \({10^5}\;J\) of heat. In the second process,

1 Work done on the gas is \({10^5}\;J\)
2 Work done on the gas is \(0.5 \times {10^5}\;J\)
3 Work done by the gas is \({10^5}\;J\)
4 Work done by the gas is \(0.5 \times {10^5}\;J\)
PHXI12:THERMODYNAMICS

371497 For an ideal gas graph is shown for three processes. Process 1,2 and 3 are respectively
supporting img

1 Isobaric, adiabatic, isochoric
2 Adiabatic, isobaric, isochoric
3 Isochoric, adiabatic, isobaric
4 Isochoric, isobaric, adiabatic
PHXI12:THERMODYNAMICS

371498 Match the Column I (type of processes) with Column II (feature).
Column I
Column II
A
Isothermal
P
\(\Delta Q = 0\)
B
Isobaric
Q
Volume constant
C
Isochoric
R
Pressure constant
D
Adiabatic
S
Temperature constant

1 A-S,B-R,C-Q,D-P
2 A-P,B-S,C-R,D-Q
3 A-Q,B-R,C-P,D-S
4 A-R,B-P, C-Q,D-S
PHXI12:THERMODYNAMICS

371499 If \(\Delta U\) and \(-\Delta W\) represent the increase in internal energy and work done by the system respectively in a thermodynamic process, which of the following is true?

1 \(\Delta U=-\Delta W\), in an adiabatic process
2 \(\Delta U=\Delta W\), in an isothermal process
3 \(\Delta U=\Delta W\), in an adiabatic process
4 \(\Delta U=-\Delta W\), is an isothermal process
PHXI12:THERMODYNAMICS

371495 Consider two containers \(A\) and \(B\) containing identical gases at the same pressure, volume and temperature. The gas in container \(A\) is compressed to half of its original volume isothermally while the gas in container \(B\) is compressed to half of its original value adiabatically. The ratio of final pressure of gas in \(B\) to that of gas in \(A\) is

1 \(2^{\gamma-1}\)
2 \(\left(\dfrac{1}{2}\right)^{\gamma-1}\)
3 \(\left(\dfrac{1}{1-\gamma}\right)^{2}\)
4 \(\left(\dfrac{1}{\gamma-1}\right)^{2}\)
PHXI12:THERMODYNAMICS

371496 A perfect gas goes from state \(A\) to state \(B\) by absorbing \(8 \times {10^5}\;J\) of heat and doing \(6.5 \times {10^5}\;J\) of external work. It is now transferred between the same two states in another process in which it absorbs \({10^5}\;J\) of heat. In the second process,

1 Work done on the gas is \({10^5}\;J\)
2 Work done on the gas is \(0.5 \times {10^5}\;J\)
3 Work done by the gas is \({10^5}\;J\)
4 Work done by the gas is \(0.5 \times {10^5}\;J\)
PHXI12:THERMODYNAMICS

371497 For an ideal gas graph is shown for three processes. Process 1,2 and 3 are respectively
supporting img

1 Isobaric, adiabatic, isochoric
2 Adiabatic, isobaric, isochoric
3 Isochoric, adiabatic, isobaric
4 Isochoric, isobaric, adiabatic
PHXI12:THERMODYNAMICS

371498 Match the Column I (type of processes) with Column II (feature).
Column I
Column II
A
Isothermal
P
\(\Delta Q = 0\)
B
Isobaric
Q
Volume constant
C
Isochoric
R
Pressure constant
D
Adiabatic
S
Temperature constant

1 A-S,B-R,C-Q,D-P
2 A-P,B-S,C-R,D-Q
3 A-Q,B-R,C-P,D-S
4 A-R,B-P, C-Q,D-S
PHXI12:THERMODYNAMICS

371499 If \(\Delta U\) and \(-\Delta W\) represent the increase in internal energy and work done by the system respectively in a thermodynamic process, which of the following is true?

1 \(\Delta U=-\Delta W\), in an adiabatic process
2 \(\Delta U=\Delta W\), in an isothermal process
3 \(\Delta U=\Delta W\), in an adiabatic process
4 \(\Delta U=-\Delta W\), is an isothermal process
PHXI12:THERMODYNAMICS

371495 Consider two containers \(A\) and \(B\) containing identical gases at the same pressure, volume and temperature. The gas in container \(A\) is compressed to half of its original volume isothermally while the gas in container \(B\) is compressed to half of its original value adiabatically. The ratio of final pressure of gas in \(B\) to that of gas in \(A\) is

1 \(2^{\gamma-1}\)
2 \(\left(\dfrac{1}{2}\right)^{\gamma-1}\)
3 \(\left(\dfrac{1}{1-\gamma}\right)^{2}\)
4 \(\left(\dfrac{1}{\gamma-1}\right)^{2}\)
PHXI12:THERMODYNAMICS

371496 A perfect gas goes from state \(A\) to state \(B\) by absorbing \(8 \times {10^5}\;J\) of heat and doing \(6.5 \times {10^5}\;J\) of external work. It is now transferred between the same two states in another process in which it absorbs \({10^5}\;J\) of heat. In the second process,

1 Work done on the gas is \({10^5}\;J\)
2 Work done on the gas is \(0.5 \times {10^5}\;J\)
3 Work done by the gas is \({10^5}\;J\)
4 Work done by the gas is \(0.5 \times {10^5}\;J\)
PHXI12:THERMODYNAMICS

371497 For an ideal gas graph is shown for three processes. Process 1,2 and 3 are respectively
supporting img

1 Isobaric, adiabatic, isochoric
2 Adiabatic, isobaric, isochoric
3 Isochoric, adiabatic, isobaric
4 Isochoric, isobaric, adiabatic
PHXI12:THERMODYNAMICS

371498 Match the Column I (type of processes) with Column II (feature).
Column I
Column II
A
Isothermal
P
\(\Delta Q = 0\)
B
Isobaric
Q
Volume constant
C
Isochoric
R
Pressure constant
D
Adiabatic
S
Temperature constant

1 A-S,B-R,C-Q,D-P
2 A-P,B-S,C-R,D-Q
3 A-Q,B-R,C-P,D-S
4 A-R,B-P, C-Q,D-S
PHXI12:THERMODYNAMICS

371499 If \(\Delta U\) and \(-\Delta W\) represent the increase in internal energy and work done by the system respectively in a thermodynamic process, which of the following is true?

1 \(\Delta U=-\Delta W\), in an adiabatic process
2 \(\Delta U=\Delta W\), in an isothermal process
3 \(\Delta U=\Delta W\), in an adiabatic process
4 \(\Delta U=-\Delta W\), is an isothermal process
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PHXI12:THERMODYNAMICS

371495 Consider two containers \(A\) and \(B\) containing identical gases at the same pressure, volume and temperature. The gas in container \(A\) is compressed to half of its original volume isothermally while the gas in container \(B\) is compressed to half of its original value adiabatically. The ratio of final pressure of gas in \(B\) to that of gas in \(A\) is

1 \(2^{\gamma-1}\)
2 \(\left(\dfrac{1}{2}\right)^{\gamma-1}\)
3 \(\left(\dfrac{1}{1-\gamma}\right)^{2}\)
4 \(\left(\dfrac{1}{\gamma-1}\right)^{2}\)
PHXI12:THERMODYNAMICS

371496 A perfect gas goes from state \(A\) to state \(B\) by absorbing \(8 \times {10^5}\;J\) of heat and doing \(6.5 \times {10^5}\;J\) of external work. It is now transferred between the same two states in another process in which it absorbs \({10^5}\;J\) of heat. In the second process,

1 Work done on the gas is \({10^5}\;J\)
2 Work done on the gas is \(0.5 \times {10^5}\;J\)
3 Work done by the gas is \({10^5}\;J\)
4 Work done by the gas is \(0.5 \times {10^5}\;J\)
PHXI12:THERMODYNAMICS

371497 For an ideal gas graph is shown for three processes. Process 1,2 and 3 are respectively
supporting img

1 Isobaric, adiabatic, isochoric
2 Adiabatic, isobaric, isochoric
3 Isochoric, adiabatic, isobaric
4 Isochoric, isobaric, adiabatic
PHXI12:THERMODYNAMICS

371498 Match the Column I (type of processes) with Column II (feature).
Column I
Column II
A
Isothermal
P
\(\Delta Q = 0\)
B
Isobaric
Q
Volume constant
C
Isochoric
R
Pressure constant
D
Adiabatic
S
Temperature constant

1 A-S,B-R,C-Q,D-P
2 A-P,B-S,C-R,D-Q
3 A-Q,B-R,C-P,D-S
4 A-R,B-P, C-Q,D-S
PHXI12:THERMODYNAMICS

371499 If \(\Delta U\) and \(-\Delta W\) represent the increase in internal energy and work done by the system respectively in a thermodynamic process, which of the following is true?

1 \(\Delta U=-\Delta W\), in an adiabatic process
2 \(\Delta U=\Delta W\), in an isothermal process
3 \(\Delta U=\Delta W\), in an adiabatic process
4 \(\Delta U=-\Delta W\), is an isothermal process
PHXI12:THERMODYNAMICS

371495 Consider two containers \(A\) and \(B\) containing identical gases at the same pressure, volume and temperature. The gas in container \(A\) is compressed to half of its original volume isothermally while the gas in container \(B\) is compressed to half of its original value adiabatically. The ratio of final pressure of gas in \(B\) to that of gas in \(A\) is

1 \(2^{\gamma-1}\)
2 \(\left(\dfrac{1}{2}\right)^{\gamma-1}\)
3 \(\left(\dfrac{1}{1-\gamma}\right)^{2}\)
4 \(\left(\dfrac{1}{\gamma-1}\right)^{2}\)
PHXI12:THERMODYNAMICS

371496 A perfect gas goes from state \(A\) to state \(B\) by absorbing \(8 \times {10^5}\;J\) of heat and doing \(6.5 \times {10^5}\;J\) of external work. It is now transferred between the same two states in another process in which it absorbs \({10^5}\;J\) of heat. In the second process,

1 Work done on the gas is \({10^5}\;J\)
2 Work done on the gas is \(0.5 \times {10^5}\;J\)
3 Work done by the gas is \({10^5}\;J\)
4 Work done by the gas is \(0.5 \times {10^5}\;J\)
PHXI12:THERMODYNAMICS

371497 For an ideal gas graph is shown for three processes. Process 1,2 and 3 are respectively
supporting img

1 Isobaric, adiabatic, isochoric
2 Adiabatic, isobaric, isochoric
3 Isochoric, adiabatic, isobaric
4 Isochoric, isobaric, adiabatic
PHXI12:THERMODYNAMICS

371498 Match the Column I (type of processes) with Column II (feature).
Column I
Column II
A
Isothermal
P
\(\Delta Q = 0\)
B
Isobaric
Q
Volume constant
C
Isochoric
R
Pressure constant
D
Adiabatic
S
Temperature constant

1 A-S,B-R,C-Q,D-P
2 A-P,B-S,C-R,D-Q
3 A-Q,B-R,C-P,D-S
4 A-R,B-P, C-Q,D-S
PHXI12:THERMODYNAMICS

371499 If \(\Delta U\) and \(-\Delta W\) represent the increase in internal energy and work done by the system respectively in a thermodynamic process, which of the following is true?

1 \(\Delta U=-\Delta W\), in an adiabatic process
2 \(\Delta U=\Delta W\), in an isothermal process
3 \(\Delta U=\Delta W\), in an adiabatic process
4 \(\Delta U=-\Delta W\), is an isothermal process