Distinguish between an adiabatic wall and diathermic wall.
Distinguish between an adiabatic wall and diathermic wall.
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| Adiabatic wall | Diathermic wall | |
| i. | An ideal wall or partition separating two systems such that no heat exchange can take place between the systems is called adiabatic wall. | A wall that allows exchange of heat energy between two systems is said to be diathermic wall. |
| ii. | It is a perfect thermal insulator. | It is not a perfect thermal insulator. |
| iii. | It does not exist in reality. | Partition like thin sheet of copper acts as diathermic wall. |
| iv. | It is generally represented as thick cross-shaded (slanting lines region). | It is represented as a thin dark region. |
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