Exercise 1.2 A

Difficulty Secondary School High school/other
★ Basic Easy
★★ Demanding Basic
★★★ Demanding
★★★★ Difficult
★★★★★ Very difficult

Determine the coefficient of linear thermal expansion of the metal tube. What metal the tube could be?

Answer: $22\cdot{10^{-6}}\frac{1}{℃}$

Exercise 1.2 B

Difficulty Secondary School High school/other
★ Basic Easy
★★ Demanding Basic
★★★ Demanding
★★★★ Difficult
★★★★★ Very difficult

Determine the coefficient of linear thermal expansion of the metal tube. What metal the tube could be?

Answer: $13\cdot{10^{-6}}\frac{1}{℃}$