Which of the Following Is True About Light and Vision

question 54

Multiple Choice

Which of the following is true about light and vision?

• A) When we see the color of an object, all light is being absorbed by that object except for the color being experienced.
• B) Human photoreceptors respond to light in the 100- 300 nm range.
• C) Light is a form of electromagnetic radiation that slows down as it enters a medium of relatively less density.
• D) The greater the incident angle of light striking a refractive surface, the less the amount of light bending.

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Definitions:

Long-run Equilibrium

A state where all the factors of production in an economy are being used in the most efficient way, leading to a situation where there is no tendency for change.

Perfectly Competitive Market

An economic model marked by a multitude of buyers and sellers, with no barriers to entering or leaving, and identical products.

Average Total Cost

The sum of average fixed costs and average variable costs, representing the total cost of production divided by the quantity of output.

Long-run Equilibrium

A state in which all factors of production are fully adjustable, markets are perfectly competitive, and economic agents have no incentive to change their behavior.