Again thermal expansion

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Two rods of length L₂ and coefficient of linear expansion Î±₂ are connected freely to a third rod of length L₁and coefficient of linear expansion Î±₁ to form an isosceles triangle.The arrangement is supported on a knife edge at the middle point of L₁ which is horizontal.The apex of the isosceles triangle is to remain at a constant distance from the knife edge if
(A) L₁/L₂ = Î±_₂/Î±₁
(B) L₁/L₂ = √(Î±_₂/Î±₁)
(C) L₁/L₂ = 2 Î±_₂/Î±₁
(D) L₁/L₂ = 2√(Î±_₂/Î±₁)

#Physics #Thermal physics

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Basic Integral Calculus Operators Symbols Matrix Cases

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+ - × ÷ ± ∓ = ∪ ∩ ≠ ∼ ≈ ∅ ∀ ∃ ∈ ∋ ∝ ≤ ≥ ≃ ≅ ≡ < > ≪ ≫ ⊂ ∉ ⊃ ⊆ ⊇ ⇒ ⇐ ⇔ ⇒ ⇐ ⇔ ⇑ ⇓ ⇕ → ← ↔ → ← ↔ ↑ ↓ ↕ ↖ ↗ ↘ ↙ ↪ ↩ ⇀ ↼ ⇁ ↽

° ∂ ∞ α β γ δ θ λ μ ν ξ π ρ σ φ ω ε ƒ κ τ υ Γ Δ Λ Σ Π Ω

Again thermal expansion

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