The Numerical Aperture (NA)is

question 3

Multiple Choice

The numerical aperture (NA) is:

• A) an index of the resolving power of a lens.
• B) the distance from an object being viewed to the lens.
• C) inscribed on each objective lens.
• D) both a and b.

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Definitions:

Confidence Interval

A range of values, derived from sample data, within which there is a certain level of confidence that the true population parameter lies.

Mean

The mean is the arithmetic average of a set of numbers, calculated by dividing the sum of all values by the count of the values.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how spread out the values are from the mean.

Confidence Interval

A confidence interval provides a range of values that likely contain the true value of an unknown population parameter, with a certain level of confidence.