How do we know that an object is hot or cold
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Hotness and coldness of a substance depend on the average kinetic energy of atoms of an object (Temperature).
Temperature is directly proportional to the kinetic energy of particles of a substance.
More Kinetic energy, more temperature which means a object is hot.
and less kinetic energy, less temperature which means a object is cold.
Temperature is directly proportional to the kinetic energy of particles of a substance.
More Kinetic energy, more temperature which means a object is hot.
and less kinetic energy, less temperature which means a object is cold.
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