You Place a Point Source of Light at the Bottom

question 117

Multiple Choice

You place a point source of light at the bottom of a pool of water 1.00 m deep. The source emits rays upward in all directions. You notice that a circle of light is formed by the rays that are refracted into the air and that the rays outside of this circle are reflected back into the water. The index of refraction of water is 1.33. The radius R of the circle at the surface of the water is approximately

• A) 0.75 m.
• B) 1.00 m.
• C) 1.13 m.
• D) 1.33 m.
• E) infinite.

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Definitions:

Common-Size Statement

A common-size statement is a financial statement in which each line item is expressed as a percentage of a certain figure for the purpose of comparison and analysis, such as revenues in an income statement.

Financial Positions

The status of an individual's or organization's assets, liabilities, and net worth at a specific point in time.

Liquidity

The ease with which an asset, or security, can be converted into ready cash without affecting its market price.

Financial Statements

Formal records of the financial activities and position of a business, person, or other entity.