1.

If \[\alpha ,\,\,\beta \] and \[\gamma \] are coefficient of linear, area and volume expansion respectively, then

A. \[\gamma  = 3\alpha \]
B. \[\alpha = 3\gamma \]
C. \[\beta = 3\alpha \]
D. \[\gamma = 3\beta \]
Answer» B. \[\alpha = 3\gamma \]


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