CCD accuracy

  • Thread starter royshh
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The following question appeared on one of my exam papers.

A CCD of pixel density 10Mpixel (1cm^-2) is used to image a component of length 10cm.
Show how this does or does not meet the required accuracies of +/- 0.025mm.

A similar question was asked in a previous exam where the component's length was 10cm but a width of 1cm was also specified.

I would like to know whether or not both length and width are required in order to determine a solution.

I was of the impression that both dimensions would be needed but my lecturer disagrees.

Can anyone clarify the situation?
 
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