A Fish Is 1

question 18

Multiple Choice

A fish is 1.2 m beneath the surface of a still pond of water.At what maximum angle can the fish look toward the surface (measured with respect to the normal to the surface) in order to see a fisherman sitting on a distant bank? (for water,n = 1.333)

• A)18.6°
• B)37.2°
• C)48.6°
• D)The fish will not see the fisherman at any angle.

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Definitions:

Aggregate Expenditure

The total amount of spending in the economy that includes consumer spending, investment, government spending, and net exports.

Multiplier

An economic factor that quantifies the change in income levels resulting from a change in spending or investment.

Gross Domestic Product

The total value of all goods and services produced within a country over a specific time period, serving as a broad measure of economic activity.

Marginal Propensity

The fraction of an additional amount of income that is spent on consumption. This is a key factor in determining the impact of an income change on the economy.