What is the smallest size of a looking glass a person with a face by should purchase…

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

What is the smallest size of a looking glass a person with a face

24\,\text{cm}

16\,\text{cm}

should purchase to enable them to see their whole face at a time? The distance between their eyes is

8\,\text{cm}

. (a)

24\,\text{cm}

16\,\text{cm}

(b)

12\,\text{cm}

8\,\text{cm}

(c)

12\,\text{cm}

4\,\text{cm}

(d)

6\,\text{cm}

2\,\text{cm}