Question

A metal stick which has 10 m length is increasing to 10.0009 m after being heated from 0 °C to 60 °C. What is the coefficient of linear expansion of the metal?

Answer 1

Answer:

1.5×10^-6

$l2 - l1 = l \: \: \: alpha \: delta \: t$

9×10^-4=10×@60

@=1.5×10^-6