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If an iron ray has a length of 100m when the temperature is 10°c by how much will it expand when the temperature rises to 30°c. Take linear expansivity of iron as 0.000012/degree celcius
L2=L1(1+ coefficient of linear expansion(t2-t1)) =100*(1+0.000012(30-10))=100.024Thus, it expands by L2-L1 metres = 0.024m
HELLO THERE!Let’s collect the given data first.Here’s what we are given: Length of the iron rod (L) = 100mCoefficient of linear expansion () = Rise in temperature = 20 K Now, THANKS!
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