An Object Is Placed 60 Cm in Front of a Mirror

question 1

Multiple Choice

An object is placed 60 cm in front of a mirror and the image is upright and ¼ the size of the object. What is the focal length of the mirror?

• A) −12 cm
• B) −20 cm
• C) −45 cm
• D) −75 cm
• E) some positive value not given

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Definitions:

Conventional CAPM

The traditional Capital Asset Pricing Model that calculates the expected return on an investment by assessing risk relative to the market as a whole.

Human Capital

The economic value of an individual’s skills, knowledge, and experience, considered in relation to their contributions to an economy or business.

Market Proxy

Market Proxy is a representative element, such as a stock index, that is used to approximate the behavior or characteristics of the overall market.

True Market Portfolio

An idealized portfolio that includes all available assets in all global financial markets, proportionally weighted by their total market value.