A long iron rod is 50 cm at a temperature of 0 ∘ C . After coming to thermal equilibrium with the water in a water tank, it has length 50.05 cm ( α i ro n = 12 × 1 0 − 6 ). What is the temperature o

Question

A long iron rod is 50 cm at a temperature of 0 ∘ C . After coming to thermal equilibrium with the water in a water tank, it has length 50.05 cm ( α i ro n ​ = 12 × 1 0 − 6 ). What is the temperature of the water in the tank at that time?

TestHub · Accepted Answer

Change in length: Δ ℓ = 0.05 = 50 × 12 × 1 0 − 6 × Δ T Δ T = 12 1 0 3 ​ = 3 250 ​ ∘ C Δ T ≈ 8 3 ∘ C

Physics - Heat & Thermo Question with Solution | TestHub

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