Q.

If coefficient of cubical expansion is x times coefficient of superficial expansion, then the value of ‘x’ is

Moderate

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By Expert Faculty of Sri Chaitanya

a

1.5

b

2

c

2.5

d

3

answer is 1.

(Detailed Solution Below)

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Detailed Solution

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=1.5
ctaimg
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