Tan's Face Is 20 Cm in Front of a Concave

question 87

Multiple Choice

Tan's face is 20 cm in front of a concave shaving mirror.If he observes his image to be twice as big and upright,what is the focal length of the mirror?

• A)10 cm
• B)-40 cm
• C)-50 cm
• D)40 cm
• E)50 cm

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Definitions:

Owner's Capital

The amount of equity a business owner has invested in the company, representing the owner's claim against the assets of the business.

Basic Accounting Equation

An equation representing the relationship between assets, liabilities, and owner's equity: Assets = Liabilities + Owner's Equity.

Owner's Equity

The residual interest in the assets of the entity after deducting liabilities, essentially representing the owner’s share of the company.

Consulting Revenues

Income generated by a firm through the provision of advisory or consultancy services.