A non- isotropic solid metal cube has coefficients of linear expansion as:5×10−5/ 0C along the x-axis and 5×10−6/ 0C along the y and the z-axis. If coefficient of volume expansion of the solid C×10−6/ 0C then the value of C is _________

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answer is 60.

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Detailed Solution

coefficient of volume expansion γ=αx+αy+αz⇒γ=2αy+αx=25×10−6+5×10−5=10×10−6+50×10−6=60×10−6 C −1 0

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