Spherical Mirrors: a Man's Face Is 30 Cm in Front

question 98

Multiple Choice

Spherical mirrors: A man's face is 30 cm in front of a concave spherical shaving mirror. If the image is erect and 1.5 times as large as his face, what is the radius of curvature of the mirror?

• A) 40 cm
• B) 60 cm
• C) 100 cm
• D) 140 cm
• E) 180 cm

---

Definitions:

Bank Time

A policy where employees can accumulate hours of work time to use at a later date, often for leave purposes.

Float

The time difference between when a bank transaction is initiated and when it is completed, allowing funds to appear available in the account before they actually are.

Cashier's Check

A cashier's check is a check guaranteed by a bank, drawn on the bank's own funds and signed by a cashier.

Draft

A preliminary version of a piece of writing, document, or legislation that is subject to further revision and editing.