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प्रश्न
Choose the correct option.
If α, β and γ are coefficients of linear, area l and volume expansion of a solid then
विकल्प
α : β : γ = 1 : 3 : 2
α : β : γ = 1 : 2 : 3
α : β : γ = 2 : 3 : 1
α : β : γ = 3 : 1 : 2
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उत्तर
α : β : γ = 1 : 2 : 3
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