For an isometric process, (i.e., isochoric) workdone = zero So $\Delta Q=\Delta U$
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Consider the efficiency of Carnot's engine is given by $\eta=\frac{\alpha \beta}{\sin \theta} \log _{e} \frac{\beta x}{k T}$, where $\alpha$ and $\beta$ are constants. If $T$ is temperature, $k$ is Boltzman constant, $\theta$ is angular displacement and $x$ has the dimensions of length. Then, choose the incorrect option.
Two moles of an ideal monoatomic gas at ${27^o}C$ occupies a volume of $V.$ If the gas is expanded adiabatically to the volume $2V,$ then the work done by the gas will be ....... $J$ $[\gamma = 5/3,\,R = 8.31J/mol\,K]$
A Carnot's engine working between $400\, K$ and $800\, K$ has a work output of $1200\, J$ per cycle. The amount of heat energy supplied to the engine from the source in each cycle is ........... $J$
An engine has an efficiency of $0.25$ when temperature of sink is reduced by $58\,^oC$, if its efficiency is doubled, then the temperature of the source is ..... $^oC$
A sample of an ideal gas undergoes an isothermal expansion. If $d Q, d U$ and $d W$ represent the amount of heat supplied, the change in internal energy and the work done respectively, then