Multiple Choice Question (MCQ)

Question: What is the co-efficient of linear expansion of a rod if it is found to be 100 m long at 20 Degree C and 100.14 m long at 100 Degree C?
A. 1.75 x 10-4 / Degree C
B. 1.75 x 10-5 / Degree C
C. 1.75 x 10-6 / Degree C
D. 1.75 x 10-7 / Degree C
Correct Answer: 1.75 x 10-5 / Degree C