A brass rod at 30 C is observed to be 100 cm long when

Last updated: 6/7/2023

A brass rod at 30 C is observed to be 100 cm long when measured by a steel scale which is correct at 0 C If a for steel is 12 x 10 6 C and of brass is 19 x 10 6 C the correct length of brass rod at 0 C is 1 100 021 cm 3 100 042 cm 2 99 979 cm 4 99 958 cm