When is a change said to have taken place in a material? Explain with the help of an example.
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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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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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