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In an anisotropic medium the coefficient...

In an anisotropic medium the coefficients of linear expansion of a solid are `alpha_(1)`, `alpha_(2)`, and `alpha_(3)`. In three mutually perpendicualr directions. Tjhe coefficient of volume expansion for the solid is

A

`alpha_(1) - alpha_(2)-alpha_(3)`

B

`(alpha_(1)+alpha_(2)+alpha_(3))/3`

C

`alpha_(1)`+`alpha_(2)`+`alpha_(3)`

D

None of these

Text Solution

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c)
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