A Microscope Has an Objective Lens with an Aperture of Diameter

question 42

Multiple Choice

A microscope has an objective lens with an aperture of diameter 0.50 cm where a monochromatic light source of wavelength 580 nm is used to illuminate the object.It is determined that the minimum angle of resolution is 1.15 x 10^-4 rad.If the illuminating source were replaced by an violet source of wavelength 420 nm,what would the minimum angle of resolution now become? (1 nm = 10^-9 m)

• A)1.7 x 10^-4 rad
• B)1.0 x 10^-4 rad
• C)0.83 x 10^-4 rad
• D)0.50 x 10^-4 rad

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Definitions:

Bile

A digestive fluid produced by the liver and stored in the gallbladder, it aids in the digestion and absorption of fats in the small intestine.

Pharynx

The muscular tube that connects the mouth and nasal passages with the esophagus and larynx, serving both respiratory and digestive functions.

Parietal Cell

A type of cell in the stomach lining that produces hydrochloric acid and intrinsic factor, essential for digestion and absorption of vitamin B12.