When a gas expands adiabatically
When a gas expands adiabatically
- A
No energy is required for expansion
- B
Energy is required and it comes from the wall of the container of the gas
- C
Internal energy of the gas is used in doing work
- D
Law of conservation of energy does not hold
Similar Questions
The work done in an adiabatic change in a gas depends only on
The work done in an adiabatic change in a gas depends only on
An ideal gas at pressure $P$ and volume $V$ is expanded to volume$ 2V.$ Column $I$ represents the thermodynamic processes used during expansion. Column $II$ represents the work during these processes in the random order.:
Column $I$
Column $II$
$(p)$ isobaric
$(x)$ $\frac{{PV(1 - {2^{1 - \gamma }})}}{{\gamma - 1}}$
$(q)$ isothermal
$(y)$ $PV$
$(r)$ adiabatic
(z) $PV\,\iota n\,2$
The correct matching of column $I$ and column $II$ is given by
An ideal gas at pressure $P$ and volume $V$ is expanded to volume$ 2V.$ Column $I$ represents the thermodynamic processes used during expansion. Column $II$ represents the work during these processes in the random order.:
| Column $I$ | Column $II$ |
| $(p)$ isobaric | $(x)$ $\frac{{PV(1 - {2^{1 - \gamma }})}}{{\gamma - 1}}$ |
| $(q)$ isothermal | $(y)$ $PV$ |
| $(r)$ adiabatic | (z) $PV\,\iota n\,2$ |
The correct matching of column $I$ and column $II$ is given by
$Assertion :$ Adiabatic expansion is always accompanied by fall in temperature.
$Reason :$ In adiabatic process, volume is inversely proportional to temperature.
$Assertion :$ Adiabatic expansion is always accompanied by fall in temperature.
$Reason :$ In adiabatic process, volume is inversely proportional to temperature.
- [AIIMS 2014]
Consider a cycle tyre being filled with air by a pump. Let $V$ be the volume of the tyre (fixed) and at each stroke of the pump $\Delta V$ $(< < V)$ of air is transferred to the tube adiabatically. What is the work done when the pressure in the tube is increased from $P_1$ to $P_2$ ?
Consider a cycle tyre being filled with air by a pump. Let $V$ be the volume of the tyre (fixed) and at each stroke of the pump $\Delta V$ $(< < V)$ of air is transferred to the tube adiabatically. What is the work done when the pressure in the tube is increased from $P_1$ to $P_2$ ?
Which is the correct statement
Which is the correct statement