Answer:
The following factors affect the elasticity of a material: (i)Hammering and rolling. In both of these processes, the crystal grains are broken into small units and the elasticity of the material increases. (ii) Annealing. This process results in the formation of larger crystal grains and elasticity of the material decreases. (iii) Presence of impurities. Depending on the nature of the impurity, the elasticity of a material can be increased or decreased. (iv) Temperature. Elasticity of most of the materials decreases with the increase in temperature. The elasticity of in var is not affected by temperature.
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