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Question
Which wall would allow the flow of thermal energy between systems A and B to achieve thermal equilibrium?
Which wall would allow the flow of thermal energy between systems A and B to achieve thermal equilibrium?
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Solution
The correct option is A Diathermic wall
If two systems are seperated by a wall permeable to heat transfer (i.e)conducting wall/Thermal wall, both systems will under go heat transfer between each other and once the steady state is reached, they will come into thermal equilibrium. Suppose,if the systems are seperated by an adiabatic wall, energy transfer cannot happen in the form of heat, thus systems will never come into thermal equilibrium with each other without the aid of any other system as a mediator.
Thus, option (a) is the correct answer.
If two systems are seperated by a wall permeable to heat transfer (i.e)conducting wall/Thermal wall, both systems will under go heat transfer between each other and once the steady state is reached, they will come into thermal equilibrium. Suppose,if the systems are seperated by an adiabatic wall, energy transfer cannot happen in the form of heat, thus systems will never come into thermal equilibrium with each other without the aid of any other system as a mediator.
Thus, option (a) is the correct answer.
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