How Much Must the Focal Length of an Eye Change

question 23

Multiple Choice

How much must the focal length of an eye change when an object,originally at 4.00 m,is brought to 40.0 cm from the eye?

• A)0.13 cm
• B)2.48 cm
• C)2.35 cm
• D)2.50 cm
• E)0.19 cm

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Definitions:

Neuron

A neuron is a nerve cell that is the basic building block of the nervous system, responsible for receiving, processing, and transmitting information through electrical and chemical signals.

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A neurotransmitter with various functions, including contributing to feelings of well-being and happiness.

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A naturally recurring state of mind and body characterized by altered consciousness, relatively inhibited sensory activity, and inhibition of nearly all voluntary muscles.

Mood

A temporary state of feeling or emotion that impacts a person's perception of the world around them.