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| 1. |
What is relation between linear expansion or superficial expansion |
| Answer» Ans.\xa0The amount by which unit length of a material increases when the temperature is raised by one degree is called the coefficient of linear expansion and is represented by \\(\\alpha\\)\xa0(Greek alpha).The amount by which unit area of a material increases when the temperature is raised by one degree is called the coefficient of superficial (i.e. area) expansion and\xa0represented by \\(\\beta\\)(Greek beta).Relation b/w both :\xa0\\(\\beta = 2 \\alpha\\) | |