A steel tape is correctly calibrated at 20 o C and is used to measure the length of a table at 30 o C. Find the percentage error in the measurement of length. [α steel = 11 × 10 -6 / o C]
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(1.1 × 10 -2 )
Sol. 100 × 
= 
× 100
= 11 × 10 –3
= 1.1 × 10 –2
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