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Byju's Answer
Standard VII
Physics
Conduction
What is heat?...
Question
What is heat?
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Solution
Heat
The symbol for heat is
q
or
Q
.
Heat
is the form of energy that is transferred between two substances kept at different temperatures.
When a fuel like methane, or coal burns in the air, the chemical energy contained by molecules can be released as heat during chemical processes.
We can also change a system's internal energy without the expenditure of work by transferring heat from the environment to the system or vice versa.
Basically, it is a form of energy with SI unit in Joules (J).
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