Correct statement about 'heat' and 'work' is that ?

Heat appears at surface only and work in bulk

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Heat appears in bulk only and work only at surface

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Both heat and work appear in bulk of system

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Both heat and work appear on surface only

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Solution

The correct option is A Heat appears at surface only and work in bulk
Heat and work are two different ways of transferring energy from one system to another. The the distinction between heat and work is important in the field of thermodynamics. Heat is the transfer of thermal energy between systems, while work is the transfer of mechanical energy between two systems.

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