Question

When a solid body is heated, its length, area and volume will increase, these are known
as____________,___________,________​

Answer 1

Answer:

Expansion

Explanation:

Answer 2

Answer:

• Thermal expansion is the phenomenon of changing the shape of the solid that is change in its length, volume, shape etc.
• Due to the temperature change of the increase in the temperature.
• There is another phenomenon called as the relative expansion which also deals with the temperature, changing the shape of the object due to stress and strain caused due to the temperature.
• The fraction of the object is exposed to the strain is called as the coefficient of expansion.