The volume of a block of a metal changes by 0.12 % when it is heated through 20 C . The coefficient of linear expansion of the metal is.
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The volume of a block of a metal changes by 0.12 % when it is heated through 20 C . The coefficient of linear expansion of the metal is. The volume of a block of a metal changes by 0.12 % when it is heated through 20 C . The coefficient of linear expansion of [...]