What is thermal expansion?
The all things around us expands with increasing in temperature or by getting heat is known as thermal Expansion.
There are three types of Thermal Expansion :
1) linear expansion
2) Superficial expansion
3) Volumetric expansion
Linear expansion- The expansion in length of object due to change in temperature š”ļø or by getting heat is known as linear expansion.
Superficial expansion- The expansion in area of object due to change in temperature š”ļø or by getting heat is known as Superficial expansion.
Volumetric expansion- The expansion in volume of object due to change in temperature š”ļø or by getting heat is known as Volumetric expansion.
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MATHEPHYSISTRY 