How Do Humans Use Their Eyes to Measure Relative Distance

question 100

Multiple Choice

How do humans use their eyes to measure relative distance by parallax

• A)By continuously focusing our eyes on distant objects, we can determine distance.
• B)Since our eyes are separated, the brain interprets the relative look angles of these eyes in terms of distance to the object viewed.
• C)Our eyes can measure the time it takes light to travel from an object and from this we get distance.
• D)By moving our heads from side to side our brain compares look angles from each of these positions to obtain the distance to the object viewed.

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Definitions:

Domestic Price

The price of goods or services within a country’s borders, as opposed to international or foreign prices.

Export

The selling of goods or services produced in one country to buyers in another country.

Autarky Price

The autarky price is the price of a good in a country that is completely self-sufficient and does not engage in international trade for that good.

Total Surplus

The sum of consumer surplus and producer surplus in a market, a measure of the overall economic benefit to society.