Question

When a body is heated, what happens to the
energy gained by it? Explain.​

Answer 1

$\huge\underline{\underline\mathtt{Answer:-}}$

The atoms or molecules of a body are in a state of continuous motion at any given temperature. In solids, they vibrate about their mean positions, while in liquids and gases the motion is mainly translational. Hence, they possess kinetic energy. Besides, atoms or molecules in solids and liquids are closely packed due to strong interatomic and intermolecular attractive forces. Due to these forces they also possess potential energy. This is, however, negligible in gases because of the relatively large intermolecular separations. The sum of the kinetic and potential energies of all the constituent particles of a body is called the thermal or internal energy of the body. When a body receives energy in the form of heat, its thermal energy increases and its particles move faster.

Answer 2

Answer:

if two bodies of different temperature are brought together, energy is transferred i. e. heat flows from the hotter body to the colder . the effect of this transfer of energy usually, but not always ,is an increase in the temperature of the colder body and a decrease in the temperature of the hotter body .......

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