The length of an aluminium rod is 120 cm at 20 °C. What is its length at 80 °C, if coefficient of linear expansion of aluminium is 2.5 × 10-5/°C?
A. 130.18 cm
B. 120.18 cm
C. 110.18 cm
D. 100.18 cm
Answer:B
The length of an aluminium rod is 120 cm at 20 °C. What is its length at 80 °C, if coefficient of linear expansion of aluminium is 2.5 × 10-5/°C?
A. 130.18 cm B. 120.18 cm C. 110.18 cm D. 100.18 cm