A Steel Bridge Is 1000 M Long At -

Multiple Choice

A steel bridge is 1000 m long at $- 20 ^ { \circ } \mathrm { C }$ in winter. What is the change in length when the temperature rises to $40 ^ { \circ } \mathrm { C }$ in summer? The average coefficient of linear expansion of this steel is $11$ $\times 10 ^ { - 6 } K - 1$

A) 0.33 m
B) 0.44 m
C) 0.66 m
D) 0.55 m