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

question 7

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 4 times its real size?

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

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Definitions:

Retirement

the point in time when an individual chooses to leave the workforce permanently.

Gain Or Loss

The positive or negative financial result obtained from an investment, sale of assets, or other transactions, compared to the original cost.

Installment Note

A loan that requires regular payments, or installments, of principal and interest over a set period, often used for buying large, expensive items.

Journal Entry

A record in accounting that represents a transaction or financial event affecting the entity's financial statements, involving at least one debit and one credit.