$Assertion :$ In adiabatic compression, the internal energy and temperature of the system get decreased.
$Reason :$ The adiabatic compression is a slow process.

  • [AIIMS 2001]
  • A

    If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.

  • B

    If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.

  • C

    If the Assertion is correct but Reason is incorrect.

  • D

    If both the Assertion and Reason are incorrect.

Similar Questions

For an adiabatic expansion of an ideal gas, the fractional change in its pressure is equal to (where $\gamma$ is the ratio of specific heats):

  • [JEE MAIN 2021]

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 

In Column$-I $ a graph and in Column$-II$ processes are given. Match them appropriately :

Column$-I $ Column$-II $
$(a)$ figure $(a)$ $(i)$ Adiabatic process
$(b)$ figure $(b)$ $(ii)$ Isobaric process
    $(ii)$ Isochoric process

One mole of helium is adiabatically expanded from its initial state $({P_i},{V_i},{T_i})$ to its final state $({P_f},{V_f},{T_f})$. The decrease in the internal energy associated with this expansion is equal to

A gas is suddenly compressed to $1/4$ th of its original volume at normal temperature. The increase in its temperature is ....... $K$ $(\gamma = 1.5)$