Question

when is a change said to have taken place in a material ? explain with the help of an example​

Answer 1

Answer:

A change said to have taken place in a material when some stress in the form of pressure or temperature is applied on the material. For ex, a temperature raise may melt the material.

Answer 2

Answer :

A change said to have taken place in a material when some stress in the form of pressure or temperature is applied on the material.

For eg, a temperature raise may melt the material.

Hope It may help you.