Class 11 NEET Physics Properties of Matter Questions
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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 C u = 1.7 × 10 – 5 K – 1 α A l = 2.2 × 10 – 5 K – 1
[NEET 2019]
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