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JEE Advance - Physics (2017 - Paper 1 Offline - No. 15)

An ideal gas is undergoing a cyclic thermodynamic process in different ways as shown in the corresponding $$P-V$$ diagram in column 3 of the table. Consider only the path from state $$1$$ to state $$2.$$ $$W$$ denotes the corresponding work done on the system. The equations and plots in the table have standard notations as used in thermodynamic processes. Here $$Y$$ is the ratio of heat capacities at constant pressure and constant volume. The number of moles in the gas is $$n.$$


An ideal gas is undergoing a cyclic thermodynamic process in different ways as shown in the corresponding $$P-V$$ diagram in column 3 of the table. Consider only the path from state $$1$$ to state $$2.$$ $$W$$ denotes the corresponding work done on the system. The equations and plots in the table have standard notations as used in thermodynamic processes. Here $$Y$$ is the ratio of heat capacities at constant pressure and constant volume. The number of moles in the gas is $$n.$$


An ideal gas is undergoing a cyclic thermodynamic process in different ways as shown in the corresponding $$P-V$$ diagram in column 3 of the table. Consider only the path from state $$1$$ to state $$2.$$ $$W$$ denotes the corresponding work done on the system. The equations and plots in the table have standard notations as used in thermodynamic processes. Here $$Y$$ is the ratio of heat capacities at constant pressure and constant volume. The number of moles in the gas is $$n.$$


Which one of the following options is the correct combination?
$$\left( {{\rm I}V} \right)\left( {ii} \right)\left( S \right)$$
$$\left( {{\rm I}{\rm I}{\rm I}} \right)\left( {ii} \right)\left( S \right)$$
$$\left( {{\rm I}{\rm I}} \right)\left( {iv} \right)\left( P \right)$$
$$\left( {{\rm I}{\rm I}} \right)\left( {iv} \right)\left( R \right)$$

Explanation

JEE Advanced 2017 Paper 1 Offline Physics - Heat and Thermodynamics Question 47 English Explanation

$$\because$$ dW = PdV

and there is no change in volume in isochoric process.

$$\therefore$$ dW = 0

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