Two Flat Rectangular Mirrors Are Set Edge to Edge and Placed

question 29

Multiple Choice

Two flat rectangular mirrors are set edge to edge and placed perpendicular to a flat nonreflecting surface. The edges of the two mirrors meet at a 30° angle. A light ray that approaches mirror 1 is parallel to mirror 2. The angle of reflection of that ray from mirror 1 is

• A) 0°.
• B) 30°.
• C) 60°.
• D) 90°.
• E) 120°.

---

Definitions:

Declining Benefits

A situation where the additional satisfaction or value derived from using or consuming more of a product decreases.

Perfection

An ideal state where everything meets the highest standards of accuracy or completeness.

Economic Efficiency

A condition where resources are allocated in a way that maximizes the production of goods and services without wasting any resources.

Economic Efficiency

occurs when resources are allocated in a way that maximizes the production of goods and services at the lowest cost, minimizing waste and inefficiency.