Why Is It Necessary to Calibrate the Ocular Micrometer with Each Objective?

Answer

It is necessary to calibrate the Ocular micrometer with each objective because micrometer has no units. It same like the ruler with marks but no numbers. In order to find the true reading, you need to assign numbers to micrometer.
Q&A Related to "Why Is It Necessary to Calibrate the Ocular..."
I do not know
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This has to be done because the marks on the ocular micrometer are different distances apart depending on the magnification used on the microscope. It must be calibrated for each
http://www.experts123.com/q/why-it-is-necessary-to...
it is because the objectives have different values of magnification.
http://wiki.answers.com/Q/Why_is_the_calibration_f...
Ocular micrometers have no units on them - they are like a ruler with marks but no numbers. In order to use one to measure something under a microscope, you must assign numbers to
http://wiki.answers.com/Q/What+may+error+happen+in...
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