A Plane Convex Lens Is Made of Glass (N =

question 8

Multiple Choice

A plane convex lens is made of glass (n = 1.5) with one flat surface and the other having a radius of 20 cm. What is the focal length (in cm) of the lens?

• A) 20
• B) 30
• C) 40
• D) 10
• E) 50

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Definitions:

Annual Salary

The total amount of money an employee is scheduled to earn over the course of a year, excluding bonuses or overtime.

Capital Balance

The amount of money that a company has in its accounts, representing the difference between total assets and liabilities.

Net Loss

The amount by which total expenses exceed total revenues in a financial period, indicating a loss.

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The day-to-day activities required for the running of a business for the purpose of producing value for the stakeholders.