A Corner Cube Is Formed by Three Plane Mirrors Perpendicular

question 78

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°
• B)180°
• C)0°
• D)360°

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Definitions:

Common Iliac Artery

A large artery that bifurcates from the abdominal aorta and supplies blood to the pelvic region and lower limbs.

Internal Iliac Arteries

Branches of the common iliac arteries that supply blood to the pelvic organs, gluteal region, and perineum.

External Iliac Arteries

Major arteries located in the pelvic region, supplying blood to the lower limbs; each extends from the common iliac artery to become the femoral artery in the thigh.

Pulmonary Trunk

A major vessel that emerges from the right ventricle of the heart and bifurcates into the right and left pulmonary arteries, which carry blood to the lungs.