A steel tape measures the length of a copper rod as 80.00cm when at 15°C, which is the calibration temperature for the tape. The reading of the tape when both are at a temperature of 65°C will be (linear expansivities of steel and copper are 12 x10^(-6)//°C and 17 xx 10^(-6)//°C respectively )

A steel tape measures the length of a copper rod as 80.00cm when at 15

1.	A steel tape measures the length of a copper rod as 80.00cm when at 15°C, which is the calibration temperature for the tape. The reading of the tape when both are at a temperature of 65°C will be (linear expansivities of steel and copper are 12 x10^(-6)//°C and 17 xx 10^(-6)//°C respectively )
Answer» 80.01 cm 80.02 cm 79.99 cm 79.98 cm Answer :B