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Parallax

is an error i...

Question

________ is an error in reading an instrument due to the eye of the observer and pointer not being in a line perpendicular to the plane of the scale.

A

Parallax error

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B

Non-quantifiable error

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C

Quantifiable error

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D

Percentage error

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Solution

The correct option is A Parallax error
A parallax error is an error in the reading of an instrument due to the eye of the observer and pointer are not in a line perpendicular to the plane of the scale. This error can be minimised by viewing the object at an angle perpendicular to it.

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