NCERT Exercise 10.8 - Thermal Properties of Matter

Question: A hole in a copper sheet has diameter 4.24 cm at 27 C. Find change in diameter when heated to 227 C. alpha_Cu = 1.70 x 10^-5 K^-1.

Answer: Change in diameter = **about 0.014 cm (0.14 mm)**.

Full step-by-step NCERT solution with diagrams on Something by Zero.