In the P-V diagram shown in figure ABC is a semicircle. The... | PHYSICS - HEAT, INTERNAL ENERGY AND WORK | SolveeIt | Solveeit

Today, August 18

Question

In the P-V diagram shown in figure ABC is a semicircle. The work done in the process ABC is-

A

Zero

B

$\frac{\pi}{2}$ atm-L

C

$- \frac{\pi}{2}$ atm-L

D

4 atm-L

Answer

$\frac{\pi}{2}$ atm-L

Explanation

Solution

w_AB is negative and w_BC is positive.

|W_BC|>|W_AB | so net work is positive and it is $\frac{\pi}{2}(atm - L)$