Compared to Viewing a Distant Object, Viewing an Object Held

question 72

Multiple Choice

Compared to viewing a distant object, viewing an object held within 5 cm of the eye requires a lens that

• A) has been flattened, as a result of contraction of the ciliary muscles.
• B) has been made more spherical, as a result of contraction of the ciliary muscles.
• C) has been flattened, as a result of relaxation of the ciliary muscles.
• D) has been made more spherical, as a result of relaxation of the ciliary muscles.
• E) does not change its shape.

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Definitions:

External Cost

A cost that affects parties who are not directly involved in a transaction, leading to negative outcomes like pollution that are not reflected in market prices.

Coal-Powered

Refers to machines, plants, or devices that operate or are fueled by coal.

Electrical Generator

A device that converts mechanical energy into electrical energy, typically through rotating a coil within a magnetic field.

Externality

A cost or benefit arising from an economic activity that affects third parties who did not choose to incur that cost or benefit.