Question

when is a change said to have taken place in a material ? Explain with an example. ​

Answer 1

Answer:

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

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.

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