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An ideal gas is undergoing a cyclic ther...

An ideal gas is undergoing a cyclic thermodynamic process in different ways as shown in the corresponding P-V diagrams 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 process. Here is the ratio of heat capacities at constant pressure and constant volume. The number of moles in the gas in n.


Which of the following options is the only correct representation of a process in which `Delta U = Delta Q - P Delta V`?

A

(I) (iv)(Q)

B

(III) (iv) (R)

C

(I) (ii) (Q)

D

(IV) (ii) (R)

Text Solution

Verified by Experts

The correct Answer is:
A
Laplace correction is done is correction in the determination of the speed of sound in an ideal gas, which states that the process assumed was not Isothermal but it is Adiabatic
`W_("adiabatril") to 2 = 1/(gamma -1) (P_2 V_2 - P_1 V_1)`
Corresponding graph is
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