Problem 25.24: Bifocals, I. A person can focus clearly only on objects between 3

Question

Problem 25.24: Bifocals, I. A person can focus clearly only on objects between 37.5cmand 51.0cm from his eyes.
Part A Find the focal lengths of the correcting contact lenses needed to correct his closeup vision and distant vision. Answer in the order indicated. Separate your answers with a comma.
Part B Find the powers of the correcting contact lenses needed to correct his closeup vision and distant vision. Answer in the order indicated. Separate your answers with a comma. Problem 25.24: Bifocals, I. A person can focus clearly only on objects between 37.5cmand 51.0cm from his eyes.
Part A Find the focal lengths of the correcting contact lenses needed to correct his closeup vision and distant vision. Answer in the order indicated. Separate your answers with a comma.
Part B Find the powers of the correcting contact lenses needed to correct his closeup vision and distant vision. Answer in the order indicated. Separate your answers with a comma. A person can focus clearly only on objects between 37.5cmand 51.0cm from his eyes.
Part A Find the focal lengths of the correcting contact lenses needed to correct his closeup vision and distant vision. Answer in the order indicated. Separate your answers with a comma.
Part B Find the powers of the correcting contact lenses needed to correct his closeup vision and distant vision. Answer in the order indicated. Separate your answers with a comma. Part A Find the focal lengths of the correcting contact lenses needed to correct his closeup vision and distant vision. Answer in the order indicated. Separate your answers with a comma.
Part B Find the powers of the correcting contact lenses needed to correct his closeup vision and distant vision. Answer in the order indicated. Separate your answers with a comma. Part B Find the powers of the correcting contact lenses needed to correct his closeup vision and distant vision. Answer in the order indicated. Separate your answers with a comma.

Explanation / Answer

Answer: 75cm (NOT NEGATIVE), and -51cm
1.33 Diopters (again NOT NEGATIVE!), -1.96 Diopters

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