Questions
If coefficient of cubical expansion is x times coefficient of superficial expansion, then the value of ‘x’ is
a
1.5
b
2
c
2.5
d
3
detailed solution
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=1.5Talk to our academic expert!
Similar Questions
If the volume of a block of metal changes by 0.12%. when it is heated through 20°C, then the coefficient of linear expansion is
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