Class 11 NEET Physics Properties of Matter Questions
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Two rods one made of copper and other made of steel of the same length and same cross sectional area are joined together. The thermal conductivity of copper and steel are 385 J s − 1 K − 1 m − 1 50 J s − 1 K − 1 m − 1 100 ∘ C 0 ∘ C
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