Question

A steel tape gives correct reading at 20°C. It measures the length of a wooden log at 30°C as 10m. The error in the measurement is
= 12 x 10^-6/°C)
(A) 1.2 mm
(B) 2.4 mm
(C) 0.6 mm
(D) 3.6 mm​

Answer 1

Answer:

(C) 0.6 mm with conformation