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If coefficient of cubical expansion is x times coefficient of superficial expansion, then the value of ‘x’ is
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Correct option is A
coefficient of cubical expansion is γ=xβ here β is coefficient of superficial expansion γ=3α---(1) but β=2α ⇒α=β2 substitute this value in eqn(1) γ=3β2 given γ=xβ ⇒x=32=1.5Similar Questions
The coefficient of expansion of a crystal in one direction (x-axis) is 2.0x 10-6 K-1 and that in the other two perpendicular (y-and z-axes) direction is 1.6 x 10-6 K-1 What is the coefficient of cubical expansion of the crystal?
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