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प्रश्न
A wall that allows free exchange of heat between two systems is called:
विकल्प
Adiabatic wall
Diathermic wall
Isothermal wall
Isobaric wall
MCQ
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उत्तर
Diathermic wall
Explanation:
A diathermic wall (e.g., a thin copper sheet) allows heat to flow freely. An adiabatic wall blocks heat transfer.
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