In P-V diagram shown, gas does 5,J of work in isothermal process ab and 4,J in adiabatic process bc

English

Gujarati

Hindi

11.Thermodynamics

normal

In the $P-V$ diagram shown, the gas does $5\,J$ of work in isothermal process $ab$ and $4\,J$ in adiabatic process $bc$ . .... $J$ will be the change in internal energy of the gas in straight path $c$ to $a$ ?

A

$9$

B

$1$

C

$4$

D

$5$

Solution

For isothermal : $\Delta U=0$

For adiabatic : $\Delta U=-\Delta W$

Standard 11

Physics

Share

Similar Questions

A Carnot's engine working between $300\, K$ and $600\, K$ has a work output of $800\, J$ per cycle. How much heat energy is supplied to the engine from the source in each cycle ? …. $J$

normal

If a bimetallic strip is heated, it will

normal

$1\ cc$ of water at its boiling point $(100^o\ C)$ is converted into steam by supplying it $540\ calories$ of heat the volume of steam is $1671\ cc$. If atmospheric pressure is $1.013 × 10^ 5\ Nm^{-2}$ and $J = 4.18\ joule/cal$ the approximate value of heat that is required in overcoming the molecular attraction is …….. $cal$

normal

A thermodynamic cycle of an ideal gas is shown in the figure. Choose the correct option which represents the same cycle

normal

In an adiabatic expansion the product of pressure and volume.

normal