Question

Heat and its transmission introduces bata do​

Answer 1

heat, energy that is transferred from one body to another as the result of a difference in temperature. If two bodies at different temperatures are brought together, energy is transferred—i.e., heat flows—from the hotter body to the colder.

Heat transfer can be achieved by conduction, convection or radiation. temperature gradient within a substance causes a flow of energy from a hotter to colder region. ... This heat transfer is achieved by the movement of molecules within the fluid.

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