Answers

2014-11-19T01:02:24+05:30

This Is a Certified Answer

×
Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
Thermal expansion coefficient α is defined by 
 
     ΔL = α * L * ΔT,      where α = coefficient of linear thermal expansion
                       L = length of substance,    ΔT = change in temperature.

     (ΔL / L) * 100 = 100 * α * ΔT

    ΔT  = 1 / (100 * 2 * 10⁻⁵) = 500°C
 

2 5 2