A glass rod when measured using a metal scale at 30^(@)C appears to be of length 100 cm. It is known that the scale was calibrated at 0^(@)C. Find true length of the glass rod at (a) 30^(@)C "" (b) 0^(@)C alpha_("steel")=8xx10^(-6).^(@)C^(-1) and alpha_("Metal")=26xx10^(-6).^(@)C^(-1)

A glass rod when measured using a metal scale at 30^(@)C appears to be

1.	A glass rod when measured using a metal scale at 30^(@)C appears to be of length 100 cm. It is known that the scale was calibrated at 0^(@)C. Find true length of the glass rod at (a) 30^(@)C "" (b) 0^(@)C alpha_("steel")=8xx10^(-6).^(@)C^(-1) and alpha_("Metal")=26xx10^(-6).^(@)C^(-1)
Answer» ANSWER :(a) 100.078 CM(B) 100.054 cm