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Why should parallax errors be avoided?
parral error should be avoided cause it can cause a disaster
How can the parallax error be avoided?
By looking at the object straight, instead of from either side?
How can parallax error be avoided?
To help the user avoid this problem, the scale is sometimes printed above a narrow strip of mirror, and the user positions his eye so that the pointer obscures its own reflection. This guarantees that the user's line of sight is perpendicular to the mirror and therefore to the scale. Parallax is thus avoided.
What is a scientific error?
Error has different meanings in different contexts. In some cases it is a synonym for "mistake". In this sense "Human Error" would be careless accidents that could be avoided with care. In Scientific terms, however, "error" simply refers to the difference between an observed value and it's theoretical "expected" value, regardless of whether this difference relates to a "mistake" by the experimenter, or is the result of some uncontrolled variable in the experiment.
What is the different between mistake and error?
Mistake are faulty which can be avoided by careful ans properly trained experiment er.mistakes are committed due to the following causes :-1)Lack of skill 2) faulty observation 3)wrong recording ............error cannot be completely eliminated..but can be minimised....In short:= Mistake Which creat by man and error make by faulty Things which we use.....
