A metal rod of length 40cm at 20°C is heated to a temperature of 45°C. If the new length of the rod is 40.05cm. Calculate its linear expansitivity

Question 1 Report

1.2 x \(10^{-5}K{-1}\)

2.5x \(10^{-5}K{-1}\)

3.5x \(10^{-5}K{-1}\)

4.5x \(10^{-5}K{-1}\)

5x \(10^{-5}K{-1}\)