Question

1. The length of a rod as measured in an experiment
was found to be 2.48 m, 2.46 m, 2-49 m, 2-50
m and 2.48 m. Find the average length, absolute
error in each observation and the percentage error​

Answer 1

Answer:

Average length =

2.48+2.48+2.49+2.50+2.48/5=2.48m

Absolute in error in different measures:

2.48-2.48=0.00m

2.48-2.46=0.02m

2.49-2.48=0.01m

2.50-2.48=0.02m

2.48-2.48=0.00m

The absolute error=0.00+0.02+0.01+0.02+0.00/5=0.01m

correct length=2.48+0.01m

percentage length =0.01m /2.48×100=0.40%

Explanation:

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