A Farsighted Person Cannot See Clearly Objects That Are Closer $- 42.9 \mathrm {~cm} , + 2.33$

question 102

Multiple Choice

A farsighted person cannot see clearly objects that are closer to her eyes than 60.0 cm. Which one of the following combinations represents the correct focal length and the refractive power of the
Contact lenses that will enable her to comfortably see the objects at a distance of 25.0 cm from her
Eyes?

• A) \(- 42.9 \mathrm {~cm} , + 2.33\) diopters
• B) \(- 42.9 \mathrm {~cm} , - 2.33\) diopters
• C) \(+ 42.9 \mathrm {~cm} , + 2.33\) diopters
• D) \(+ 60 \mathrm {~cm} , + 42.9\) diopters
• E) \(+ 42.9 \mathrm {~cm} , - 2.33\) diopters

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Definitions:

Polypeptides

Chains of amino acids linked by peptide bonds, which can function independently or as part of larger protein molecules.

Pepsinogen

An inactive precursor of pepsin, secreted by the stomach lining; it is converted to pepsin in the presence of stomach acid to digest proteins.

Bile

A digestive fluid produced by the liver and stored in the gallbladder, important for the breakdown and absorption of fats.

Trypsin

A pancreatic enzyme that digests polypeptides to short peptides.