A Camera Lens Having a 50-Mm Focal Length Is Set

question 36

Multiple Choice

A camera lens having a 50-mm focal length is set to f/4.0.What is the minimum spacing of two objects located 12 m from the lens if the objects are just barely resolved in the image using light of wavelength 500 nm?

• A)1.66 mm
• B)4.72 mm
• C)0.024 mm
• D)4.9 × 10^-5 m
• E)0.59 mm

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Definitions:

Standard Deviation

A statistical measure that quantifies the amount of variability or dispersion of a set of data points or distribution from the mean.

Mean Rate

The average value of a set of rates, which could be interest rates, growth rates, or any other type of change measured over time.

Expected Utility

A theory or calculation that aims at finding the utility expected from an uncertain prospect by considering all possible outcomes, their probabilities, and their respective utilities.

Standard Deviation

A statistical measurement that represents the dispersion or variability of a set of data points or values from the mean.