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A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in temperature.The length of aluminium rod is (α_{cu}=1.7×10^{-5}K^{-1}and α_{Al} =2.2×10^{-5}K^{-1

Answer» A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in temperature.The length of aluminium rod is (α_{cu}=1.7×10^{-5}K^{-1}and α_{Al} =2.2×10^{-5}K^{-1


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