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Question

Choose the incorrect statements out of the following:-

A
Every measurement by any measuring instrument has some errors
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B
Every calculated physical quantity that is based on measured values has some error
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C
A measurement can have more accuracy but less precision and vice-versa
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D
The percentage error is different from relative error.
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Solution

The correct option is C The percentage error is different from relative error.
We have relative error as
Relative error = measured value - real value real value We have persentage error as
persentage error = measured value - real value real value
So we get a Relation Relative error = Percent error 100

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