A rod of length 10cm is heated through 100oC and its final length is 10.26cm. What is the co-efficient of linear expansion of the rod?
A
0.026 per degree centigrade
B
0.00026 per degree centigrade
C
0.26 per degree centigrade
D
1.0026 per degree centigrade
E
0.0026 per degree centigrade
Verified Correct Answer: B.
Physical Principles & Numerical Solution
\(\alpha\) = \(\frac{L_2 - L_1}{L_1 \times \theta}\)
= \(\frac{10 - 26 - 10}{10 \times 100}\)
= 2.6 x 10-4oC
Source: Myschool Past Questions Archive (Record #28922)