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What is noted by +_5 in measuring cylinder?

by abi.ayan
Tags: cylinder, measuring, noted
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abi.ayan
#1
Jul5-13, 08:46 AM
P: 37
can anyone explain why is that noted?Most of them says that it denotes the error.why there should be an error in the instrument.Can't we make an instrument free of error?confused.
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Borek
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Jul5-13, 11:24 AM
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Quote Quote by abi.ayan View Post
Can't we make an instrument free of error?
No..
symbolipoint
#3
Jul5-13, 04:57 PM
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Quote Quote by abi.ayan View Post
can anyone explain why is that noted?Most of them says that it denotes the error.why there should be an error in the instrument.Can't we make an instrument free of error?confused.
How accurately can the practical, graduated, vertical number line be read? Free of Error is impossible.


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