A Corner Cube Is Formed by Three Plane Mirrors Perpendicular $\degree$

question 30

Multiple Choice

A corner cube is formed by three plane mirrors perpendicular to one another resulting in a retroreflector. What is the angle between the directions of an incoming ray of light and of the corresponding outgoing ray of light for this device?

• A) 90 \(\degree\)
• B) 180 \(\degree\)
• C) 0 \(\degree\)
• D) 360 \(\degree\)

---

Definitions:

Distribution Network

A system of warehouses, transportation services, and distribution centers that helps move products from manufacturers to end consumers.

Internet Marketing

The practice of promoting products or services over the internet, utilizing tools like social media, email, and search engine optimization.

Time Horizon

The fixed point in the future at which certain events will be evaluated or certain objectives are expected to be achieved.

Operation Phase

The period during which a system, project, or facility is actively functioning and conducting its intended tasks or services.