05. Isothermal Process
Thermodynamics

148422 When $50 l$ of air at STP (Standard Temperature and Pressure) is compressed isothermally to $10 l$, the amount and direction of heat exchange of air is
$\text { [Use } P_{\text {atm }}=100 \mathrm{kPa} \text { and } \ln (0.2)=-1.61 \text { ] }$

1 $8.05 \mathrm{~kJ}$ flows out
2 $8.05 \mathrm{~kJ}$ flows in
3 $5 \mathrm{~kJ}$ flows out
4 $5 \mathrm{~kJ}$ flows in
Thermodynamics

148424 A graph of pressure (P) against volume (V) of an ideal gas undergoing an isothermal process is:

1 a straight line passing through the origin
2 a parabola
3 a rectangular hyperbola
4 a straight line parallel to pressure axis
Thermodynamics

148425 An ideal gas expands isothermally from volume $V_{1}$ to volume $V_{2}$. It is then compressed to the original volume $V_{1}$ adiabatically. If $p_{1}, p_{2}$ and $W$ represent the initial pressure, final pressure and the net work done by the gas respectively during the entire process, then

1 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}=0$
2 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}>0$
3 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W}>0$
4 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W} \lt 0$
Thermodynamics

148427 Match the following?
| Column-I | Column-II |
| :--- | :--- |
| A. Isothermal process | (i) No heat exchange |
| B. Adiabatic process | (ii) Constant \lt br> temperature |
| C. Isochoric process | (iii) Constant pressure |
| D. Isobaric process | (iv) Constant volume |

1 A iv , B ii , C i , D iii
2 A iv , B i , C ii , D iii
3 A ii , B iii , C iv , D i
4 A ii , B i , C iv , D iii
Thermodynamics

148428 Assume that you have an ideal gas for which $\gamma$ $=1.50$, initially at $1.0 \mathrm{~atm}$ pressure When the gas is compressed to half its original volume. then the final pressure. if the compression is isothermals. is

1 $4.0 \mathrm{~atm}$
2 $2.8 \mathrm{~atm}$
3 $2.0 \mathrm{~atm}$
4 $6.0 \mathrm{~atm}$
Thermodynamics

148422 When $50 l$ of air at STP (Standard Temperature and Pressure) is compressed isothermally to $10 l$, the amount and direction of heat exchange of air is
$\text { [Use } P_{\text {atm }}=100 \mathrm{kPa} \text { and } \ln (0.2)=-1.61 \text { ] }$

1 $8.05 \mathrm{~kJ}$ flows out
2 $8.05 \mathrm{~kJ}$ flows in
3 $5 \mathrm{~kJ}$ flows out
4 $5 \mathrm{~kJ}$ flows in
Thermodynamics

148424 A graph of pressure (P) against volume (V) of an ideal gas undergoing an isothermal process is:

1 a straight line passing through the origin
2 a parabola
3 a rectangular hyperbola
4 a straight line parallel to pressure axis
Thermodynamics

148425 An ideal gas expands isothermally from volume $V_{1}$ to volume $V_{2}$. It is then compressed to the original volume $V_{1}$ adiabatically. If $p_{1}, p_{2}$ and $W$ represent the initial pressure, final pressure and the net work done by the gas respectively during the entire process, then

1 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}=0$
2 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}>0$
3 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W}>0$
4 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W} \lt 0$
Thermodynamics

148427 Match the following?
| Column-I | Column-II |
| :--- | :--- |
| A. Isothermal process | (i) No heat exchange |
| B. Adiabatic process | (ii) Constant \lt br> temperature |
| C. Isochoric process | (iii) Constant pressure |
| D. Isobaric process | (iv) Constant volume |

1 A iv , B ii , C i , D iii
2 A iv , B i , C ii , D iii
3 A ii , B iii , C iv , D i
4 A ii , B i , C iv , D iii
Thermodynamics

148428 Assume that you have an ideal gas for which $\gamma$ $=1.50$, initially at $1.0 \mathrm{~atm}$ pressure When the gas is compressed to half its original volume. then the final pressure. if the compression is isothermals. is

1 $4.0 \mathrm{~atm}$
2 $2.8 \mathrm{~atm}$
3 $2.0 \mathrm{~atm}$
4 $6.0 \mathrm{~atm}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Thermodynamics

148422 When $50 l$ of air at STP (Standard Temperature and Pressure) is compressed isothermally to $10 l$, the amount and direction of heat exchange of air is
$\text { [Use } P_{\text {atm }}=100 \mathrm{kPa} \text { and } \ln (0.2)=-1.61 \text { ] }$

1 $8.05 \mathrm{~kJ}$ flows out
2 $8.05 \mathrm{~kJ}$ flows in
3 $5 \mathrm{~kJ}$ flows out
4 $5 \mathrm{~kJ}$ flows in
Thermodynamics

148424 A graph of pressure (P) against volume (V) of an ideal gas undergoing an isothermal process is:

1 a straight line passing through the origin
2 a parabola
3 a rectangular hyperbola
4 a straight line parallel to pressure axis
Thermodynamics

148425 An ideal gas expands isothermally from volume $V_{1}$ to volume $V_{2}$. It is then compressed to the original volume $V_{1}$ adiabatically. If $p_{1}, p_{2}$ and $W$ represent the initial pressure, final pressure and the net work done by the gas respectively during the entire process, then

1 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}=0$
2 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}>0$
3 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W}>0$
4 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W} \lt 0$
Thermodynamics

148427 Match the following?
| Column-I | Column-II |
| :--- | :--- |
| A. Isothermal process | (i) No heat exchange |
| B. Adiabatic process | (ii) Constant \lt br> temperature |
| C. Isochoric process | (iii) Constant pressure |
| D. Isobaric process | (iv) Constant volume |

1 A iv , B ii , C i , D iii
2 A iv , B i , C ii , D iii
3 A ii , B iii , C iv , D i
4 A ii , B i , C iv , D iii
Thermodynamics

148428 Assume that you have an ideal gas for which $\gamma$ $=1.50$, initially at $1.0 \mathrm{~atm}$ pressure When the gas is compressed to half its original volume. then the final pressure. if the compression is isothermals. is

1 $4.0 \mathrm{~atm}$
2 $2.8 \mathrm{~atm}$
3 $2.0 \mathrm{~atm}$
4 $6.0 \mathrm{~atm}$
Thermodynamics

148422 When $50 l$ of air at STP (Standard Temperature and Pressure) is compressed isothermally to $10 l$, the amount and direction of heat exchange of air is
$\text { [Use } P_{\text {atm }}=100 \mathrm{kPa} \text { and } \ln (0.2)=-1.61 \text { ] }$

1 $8.05 \mathrm{~kJ}$ flows out
2 $8.05 \mathrm{~kJ}$ flows in
3 $5 \mathrm{~kJ}$ flows out
4 $5 \mathrm{~kJ}$ flows in
Thermodynamics

148424 A graph of pressure (P) against volume (V) of an ideal gas undergoing an isothermal process is:

1 a straight line passing through the origin
2 a parabola
3 a rectangular hyperbola
4 a straight line parallel to pressure axis
Thermodynamics

148425 An ideal gas expands isothermally from volume $V_{1}$ to volume $V_{2}$. It is then compressed to the original volume $V_{1}$ adiabatically. If $p_{1}, p_{2}$ and $W$ represent the initial pressure, final pressure and the net work done by the gas respectively during the entire process, then

1 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}=0$
2 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}>0$
3 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W}>0$
4 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W} \lt 0$
Thermodynamics

148427 Match the following?
| Column-I | Column-II |
| :--- | :--- |
| A. Isothermal process | (i) No heat exchange |
| B. Adiabatic process | (ii) Constant \lt br> temperature |
| C. Isochoric process | (iii) Constant pressure |
| D. Isobaric process | (iv) Constant volume |

1 A iv , B ii , C i , D iii
2 A iv , B i , C ii , D iii
3 A ii , B iii , C iv , D i
4 A ii , B i , C iv , D iii
Thermodynamics

148428 Assume that you have an ideal gas for which $\gamma$ $=1.50$, initially at $1.0 \mathrm{~atm}$ pressure When the gas is compressed to half its original volume. then the final pressure. if the compression is isothermals. is

1 $4.0 \mathrm{~atm}$
2 $2.8 \mathrm{~atm}$
3 $2.0 \mathrm{~atm}$
4 $6.0 \mathrm{~atm}$
Thermodynamics

148422 When $50 l$ of air at STP (Standard Temperature and Pressure) is compressed isothermally to $10 l$, the amount and direction of heat exchange of air is
$\text { [Use } P_{\text {atm }}=100 \mathrm{kPa} \text { and } \ln (0.2)=-1.61 \text { ] }$

1 $8.05 \mathrm{~kJ}$ flows out
2 $8.05 \mathrm{~kJ}$ flows in
3 $5 \mathrm{~kJ}$ flows out
4 $5 \mathrm{~kJ}$ flows in
Thermodynamics

148424 A graph of pressure (P) against volume (V) of an ideal gas undergoing an isothermal process is:

1 a straight line passing through the origin
2 a parabola
3 a rectangular hyperbola
4 a straight line parallel to pressure axis
Thermodynamics

148425 An ideal gas expands isothermally from volume $V_{1}$ to volume $V_{2}$. It is then compressed to the original volume $V_{1}$ adiabatically. If $p_{1}, p_{2}$ and $W$ represent the initial pressure, final pressure and the net work done by the gas respectively during the entire process, then

1 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}=0$
2 $\mathrm{p}_{1}>\mathrm{p}_{2}, \mathrm{~W}>0$
3 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W}>0$
4 $\mathrm{p}_{2}>\mathrm{p}_{1}, \mathrm{~W} \lt 0$
Thermodynamics

148427 Match the following?
| Column-I | Column-II |
| :--- | :--- |
| A. Isothermal process | (i) No heat exchange |
| B. Adiabatic process | (ii) Constant \lt br> temperature |
| C. Isochoric process | (iii) Constant pressure |
| D. Isobaric process | (iv) Constant volume |

1 A iv , B ii , C i , D iii
2 A iv , B i , C ii , D iii
3 A ii , B iii , C iv , D i
4 A ii , B i , C iv , D iii
Thermodynamics

148428 Assume that you have an ideal gas for which $\gamma$ $=1.50$, initially at $1.0 \mathrm{~atm}$ pressure When the gas is compressed to half its original volume. then the final pressure. if the compression is isothermals. is

1 $4.0 \mathrm{~atm}$
2 $2.8 \mathrm{~atm}$
3 $2.0 \mathrm{~atm}$
4 $6.0 \mathrm{~atm}$