Question

an iron rod of length x m is heated at 20⁰ c . what temperature will it be heated so that the iron rod double its length


pls answer it very fast​

Answer 1

Answer:

The linear thermal expansion is given by

l=l_0(1+\alpha \Delta T)l=l

0

(1+αΔT)

l=0.500(1+19\times 10^{-6}\times 30)=0.5003 \:\rm ml=0.500(1+19×10

−6

×30)=0.5003m

Explanation:

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