How Far Must a Man's Face Be Located in Front

question 47

Multiple Choice

How far must a man's face be located in front of a concave spherical shaving mirror of radius 120 cm for him to see an erect image of his face four times its real size?

• A)-75 cm
• B)45 cm
• C)75 cm
• D)90 cm
• E)150 cm

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Definitions:

Thirteenth Amendment

The amendment to the United States Constitution that abolished slavery and involuntary servitude, except as punishment for a crime.

Abolished Slavery

The act of formally ending the practice of enslaving people, making it illegal to own slaves.

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A vast geographical region comprising the countries of Canada, the United States, Mexico, and the nations of Central America, among others.

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