An Oil Layer That Is 5

question 21

Multiple Choice

An oil layer that is 5.0 cm thick is spread smoothly and evenly over the surface of water on a windless day.A light ray from the air above enters the oil at 45° with the normal and then goes into the water.What is the angle of refraction of this ray in the water? The index of refraction for the oil is 1.15,and for water it is 1.33.

• A)27°
• B)32°
• C)36°
• D)39°

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Definitions:

GDP Deflator

The GDP deflator is an economic metric that converts output measured at current prices into constant-dollar GDP, reflecting changes in the price level of all domestically produced goods and services in an economy.

Real GDP

The measure of a country's economic output adjusted for price changes and inflation, providing a more accurate reflection of an economy's size.

Per Capita GDP

The average economic output per person, calculated by dividing the country's Gross Domestic Product by its total population.

Population

The overall population within a designated region or nation.