Question

A fixed mass'm' of a gas is subjected to transformation of states from K to L to M to N and back to K as shown in the figure.

The pair of isochoric processes among the transformation of states is

• A. K to L and L to M
• B. L to M and N to K
• C. L to M and M to N
• D. M to N and N to K

Answer 1

The correct option is B L to M and N to K

If the previous question was answered correctly, this one is pretty straightforward. You just need to know that isochoric means a constant volume process. Since V is on the X axis, any process which is represented by a line perpendicular to the X axis would be an isochoric one.


K-L heating, isobaric
L-M cooling, isochoric
M-N cooling, isobaric
N-K heating, isochoric