A Contact Lens Is Made of Plastic with an Index

question 6

Short Answer

A contact lens is made of plastic with an index of refraction of 1.50. The lens has an outer radius of curvature of +2.0 cm and an inner radius of curvature of +2.5 cm. What are the focal length and the power of the lens?

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Definitions:

Income Statement Amounts

The monetary values of revenue, expenses, gains, and losses reported in the income statement.

Common-Size Percentages

Financial analysis tool that converts each line item of financial statements into a percentage of a common base figure to allow for easy comparison.

Balance Sheets

Financial statements that show a company's financial position, detailing assets, liabilities, and equity at a specific point in time.

Inventory Turnover

A ratio indicating how many times a company's inventory is sold and replaced over a period.