The coefficient of areal expansion of a material is 1 6 10^ -5 K ^ -1 . Which one of the following gives the value of coefficient of volume expansion of this material?

NDA 2018 Physics question

The coefficient of areal expansion of a material is . Which one of the following gives the value of coefficient of volume expansion of this material?

Answer: (B)

The coefficients of linear (), areal () and volume () expansion are related by and

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Question ID VK-031203