A Person's Eye Lens Is 2

question 48

Short Answer

A person's eye lens is 2.7 cm away from the retina.This lens has a near point of 25 cm and a far point at infinity.
(a)What must the focal length of this lens be in order for an object placed at the near point of the eye to focus on the retina?
(b)What must the focal length of this lens be in order for an object placed at the far point of the eye to focus on the retina?

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Definitions:

Lexical Decision Task

A psychological experiment where participants decide as quickly as possible whether a string of letters is a real word or a non-word.

Proposition

A statement or assertion that expresses a judgment or opinion that can be true or false.

Fictitious Island

An imaginary or made-up island, often used in stories or hypothetical scenarios.

Proportional

Relating to or corresponding in size, degree, or intensity relative to something else.