Published by:
CGP EDU Academic Team
Published on: September 12, 2026
Δ W-represents work done by the system and Δ Q represents heat absorbed by the system (T A < T D ).
Column-I | Column-II |
(i) AB | [A] ΔW > 0 |
(ii) BC | [B] ΔW < 0 |
(iii) CD | [C] ΔQ > 0 |
(iv) DA | [D] ΔQ < 0 |
Correct Matrix Matching
Text Solution
Verified by ExpertsThe correct answer is:
C
To analyze the thermodynamic process in the given diagram of the cyclic process, we follow these steps for each segment:
Segment AB: The system is absorbing heat and doing work. Thus, in this segment, ΔW > 0, which corresponds to choice [A].
Segment BC: In this section, work is done on the system, and it releases heat. Therefore, ΔW < 0, which corresponds to choice [B].
Segment CD: The system is absorbing heat from an external source. This results in ΔQ > 0, hence choice [C] is valid.
Segment DA: The system is releasing heat back into the surroundings, meaning ΔQ < 0, aligning with choice [D].
Therefore, for segment CD, the answer is [C].
Segment AB: The system is absorbing heat and doing work. Thus, in this segment, ΔW > 0, which corresponds to choice [A].
Segment BC: In this section, work is done on the system, and it releases heat. Therefore, ΔW < 0, which corresponds to choice [B].
Segment CD: The system is absorbing heat from an external source. This results in ΔQ > 0, hence choice [C] is valid.
Segment DA: The system is releasing heat back into the surroundings, meaning ΔQ < 0, aligning with choice [D].
Therefore, for segment CD, the answer is [C].
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