Question

what is thermal expansion of solid with ex and reason​

Answer 1

Answer:

When a solid is heated, its atoms vibrate faster about their fixed points. ... Liquids expand for the same reason, but because the bonds between separate molecules are usually less tight they expand more than solids.An increase in temperature results in the expansion of the liquid.

Explanation:

The expansion of alcohol in a thermometer is one of many commonly encountered examples of thermal expansion, the change in size or volume of a given mass with temperature. ... Railroad tracks and bridges, for example, have expansion joints to allow them to freely expand and contract with temperature changes.

Answer 2

➭ AnSwer :-

⟹ Thermal expansion :-

• Thermal expansion can be defined as the change in the length, width, height or volume of any material on changing the temperature.
• Thermal expansion is very evident in solids as atoms are densely packed.