A Person's Face Is 30 Cm in Front of a Concave

question 120

Multiple Choice

A person's face is 30 cm in front of a concave spherical shaving mirror. If the image is an erect image that is 1.5 times as large as the object, what is the focal length mirror?

• A) 20 cm
• B) 90 cm
• C) 70 cm
• D) 50 cm

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Definitions:

Horizontal Analysis

A method of financial examination that involves comparing past financial information across different time frames to detect trends and patterns of growth.

Accounts Receivable

Funds that clients or customers owe to a company for products or services that have been provided but not yet compensated.

Percentage Of Increase

A measure expressed as a percentage that reflects the rise in value or quantity of something compared to its previous value.

Horizontal Analysis

A financial analysis technique that evaluates changes in financial statement line items over a series of reporting periods.